Magic The Gathering Cards of types 'Creature' and 'Nightmare'

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Haunt of the Dead Marshes
Slithery Stalker
Stallion of Ashmouth
Wicked Visitor
Dread Presence
Wormfang Manta
Gravegouger
Psychic Symbiont
Carnival Hellsteed
Nightmare
Underworld Charger
Wormfang Crab
Fiend Artisan
Insatiable Hemophage
Mindleecher
Doom Whisperer
Grimdancer
Plague Mare
Dream Eater
Faceless Butcher
Gloomfang Mauler
Banehound
Hell Mongrel
Swimmer in Nightmares
Laquatus's Champion
Ashiok's Reaper
Void Beckoner
Wormfang Turtle
Wormfang Behemoth
Necropanther
Boneyard Lurker
Helica Glider
Leyline Prowler
Angel of Suffering
Chittering Harvester
Spellgorger Barbarian
Labyrinth Raptor
Worldgorger Dragon
Zagoth Mamba
Petravark
Cavern Whisperer
Foul Watcher
Hunted Nightmare
Hypnox
Dreadwing Scavenger
Gloom Pangolin
Wormfang Newt
Faceless Devourer
Gibbering Barricade
Soulgorger Orgg
Slitherwisp
Wormfang Drake
Vitality Hunter
Soul Scourge
Petradon
Devourer of Memory
Mesmeric Fiend
Cursed Wombat
Ashiok's Skulker
Cruel Somnophage
Persistent Nightmare
Fear of Falling
Fear of Infinity
Silvar, Devourer of the Free
Fear of Burning Alive
Fear of Isolation
Fear of Missing Out
Fear of Unsleeved Decks
Fear of Failed Tests
Fear of Lost Teeth
Lurrus of the Dream-Den
Fear of Change
Fear of Surveillance
Fear of Impostors
Nethroi, Apex of Death
Falthis, Shadowcat Familiar
Kathril, Aspect Warper
Fear of Ridicule
Tayam, Luminous Enigma
Fear of Going 0-2 Drop
Fear of Abduction
Fear of the Dark
Fear of Being Hunted
Fear of Sleep Paralysis
Zaxara, the Exemplary
Fear of Exposure
Umbris, Fear Manifest
Ovika, Enigma Goliath
Snapdax, Apex of the Hunt
Nightmare
Nightmare
Otrimi, the Ever-Playful
Fear of the Unknown
Braids, Arisen Nightmare
Brokkos, Apex of Forever
Nightmare Horror
Fear of Immobility
Sephiroth, One-Winged Angel
Ultimecia, Omnipotent
The Mindskinner
Braska's Final Aeon


Haunt of the Dead Marshes

{B}

-- no image --
Creature - Nightmare Elf
When this creature enters, scry 1. {2}{B}: Return this card from your graveyard to the battlefield tapped. Activate only if you control a legendary creature.
1/1

Slithery Stalker

{1}{B}{B}

-- no image --
Creature - Nightmare Horror
Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.) When this creature enters, exile target green or white creature an opponent controls. When this creature leaves the battlefield, return the exiled card to the battlefield under its owner's control.
1/1

Stallion of Ashmouth

{3}{B}

-- no image --
Creature - Nightmare Horse
Delirium - {1}{B}: This creature gets +1/+1 until end of turn. Activate only if there are four or more card types among cards in your graveyard.
3/3

Wicked Visitor

{1}{B}

-- no image --
Creature - Nightmare
Whenever an enchantment you control is put into a graveyard from the battlefield, each opponent loses 1 life.
2/2

Dread Presence

{3}{B}

-- no image --
Creature - Nightmare
Whenever a Swamp you control enters, choose one - - You draw a card and you lose 1 life. - This creature deals 2 damage to any target and you gain 2 life.
3/3

Wormfang Manta

{5}{U}{U}

-- no image --
Creature - Nightmare Fish Beast
Flying When this creature enters, you skip your next turn. When this creature leaves the battlefield, you take an extra turn after this one.
6/1

Gravegouger

{2}{B}

-- no image --
Creature - Nightmare Horror
When this creature enters, exile up to two target cards from a single graveyard. When this creature leaves the battlefield, return the exiled cards to their owner's graveyard.
2/2

Psychic Symbiont

{4}{U}{B}

-- no image --
Creature - Nightmare Horror
Flying When this creature enters, target opponent discards a card and you draw a card.
3/3

Carnival Hellsteed

{4}{B}{R}

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Creature - Nightmare Horse
First strike, haste Unleash (You may have this creature enter with a +1/+1 counter on it. It can't block as long as it has a +1/+1 counter on it.)
5/4

Nightmare

{5}{B}

-- no image --
Creature - Nightmare Horse
Flying (This creature can't be blocked except by creatures with flying or reach.) Nightmare's power and toughness are each equal to the number of Swamps you control.
X/X

Underworld Charger

{2}{B}

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Creature - Nightmare Horse
This creature can't block. Escape-{4}{B}, Exile three other cards from your graveyard. (You may cast this card from your graveyard for its escape cost.) This creature escapes with two +1/+1 counters on it.
3/3

Wormfang Crab

{3}{U}

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Creature - Nightmare Crab
This creature can't be blocked. When this creature enters, an opponent chooses a permanent you control other than this creature and exiles it. When this creature leaves the battlefield, return the exiled card to the battlefield under its owner's control.
3/6

Fiend Artisan

{B/G}{B/G}

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Creature - Nightmare
This creature gets +1/+1 for each creature card in your graveyard. {X}{B/G}, {T}, Sacrifice another creature: Search your library for a creature card with mana value X or less, put it onto the battlefield, then shuffle. Activate only as a sorcery.
1/1

Insatiable Hemophage

{3}{B}

-- no image --
Creature - Nightmare
Mutate {2}{B} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.) Deathtouch Whenever this creature mutates, each opponent loses X life and you gain X life, where X is the number of times this creature has mutated.
3/3

Mindleecher

{4}{B}{B}

-- no image --
Creature - Nightmare
Mutate {4}{B} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.) Flying Whenever this creature mutates, exile the top card of each opponent's library face down. You may look at and play those cards for as long as they remain exiled.
5/5

Doom Whisperer

{3}{B}{B}

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Creature - Nightmare Demon
Flying, trample Pay 2 life: Surveil 2. (Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)
6/6

Grimdancer

{1}{B}{B}

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Creature - Nightmare
This creature enters with your choice of two different counters on it from among menace, deathtouch, and lifelink.
3/3

Plague Mare

{1}{B}{B}

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Creature - Nightmare Horse
This creature can't be blocked by white creatures. When this creature enters, creatures your opponents control get -1/-1 until end of turn.
2/2

Dream Eater

{4}{U}{U}

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Creature - Nightmare Sphinx
Flash Flying When this creature enters, surveil 4. When you do, you may return target nonland permanent an opponent controls to its owner's hand. (To surveil 4, look at the top four cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)
4/3

Faceless Butcher

{2}{B}{B}

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Creature - Nightmare Horror
When this creature enters, exile another target creature. When this creature leaves the battlefield, return the exiled card to the battlefield under its owner's control.
2/3

Gloomfang Mauler

{5}{B}{B}

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Creature - Nightmare
Swampcycling {2} ({2}, Discard this card: Search your library for a Swamp card, reveal it, put it into your hand, then shuffle.) Backup 2 (When this creature enters, put two +1/+1 counters on target creature. If that's another creature, it gains the following ability until end of turn.) Menace
5/5

Banehound

{B}

-- no image --
Creature - Nightmare Dog
Lifelink, haste
1/1

Hell Mongrel

{3}{B}

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Creature - Nightmare Dog
Discard a card: This creature gets +1/+1 until end of turn. Madness {2}{B} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)
4/3

Swimmer in Nightmares

{2}{U}

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Creature - Nightmare Merfolk
This creature gets +3/+0 as long as there are ten or more cards in a single graveyard. This creature can't be blocked as long as you control an Ashiok planeswalker.
1/4

Laquatus's Champion

{4}{B}{B}

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Creature - Nightmare Horror
When this creature enters, target player loses 6 life. When this creature leaves the battlefield, that player gains 6 life. {B}: Regenerate this creature.
6/3

Ashiok's Reaper

{3}{B}

-- no image --
Creature - Nightmare
Whenever an enchantment you control is put into a graveyard from the battlefield, draw a card.
3/3

Void Beckoner

{6}{B}{B}

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Creature - Nightmare Horror
Deathtouch Cycling {2}{B} ({2}{B}, Discard this card: Draw a card.) When you cycle this card, put a deathtouch counter on target creature you control.
8/8

Wormfang Turtle

{2}{U}

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Creature - Nightmare Turtle Beast
When this creature enters, exile a land you control. When this creature leaves the battlefield, return the exiled card to the battlefield under its owner's control.
2/4

Wormfang Behemoth

{3}{U}{U}

-- no image --
Creature - Nightmare Fish Beast
When this creature enters, exile all cards from your hand. When this creature leaves the battlefield, return the exiled cards to their owner's hand.
5/5

Necropanther

{1}{W}{B}

-- no image --
Creature - Cat Nightmare
Mutate {2}{W/B}{W/B} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.) Whenever this creature mutates, return target creature card with mana value 3 or less from your graveyard to the battlefield.
3/3

Boneyard Lurker

{2}{B}{G}

-- no image --
Creature - Nightmare Beast
Mutate {2}{B/G}{B/G} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.) Whenever this creature mutates, return target permanent card from your graveyard to your hand.
4/4

Helica Glider

{2}{W}

-- no image --
Creature - Nightmare Squirrel
This creature enters with your choice of a flying counter or a first strike counter on it.
2/2

Leyline Prowler

{1}{B}{G}

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Creature - Nightmare Beast
Deathtouch, lifelink {T}: Add one mana of any color.
2/3

Angel of Suffering

{3}{B}{B}

-- no image --
Creature - Nightmare Angel
Flying If damage would be dealt to you, prevent that damage and mill twice that many cards.
5/3

Chittering Harvester

{5}{B}

-- no image --
Creature - Nightmare
Mutate {4}{B} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.) Whenever this creature mutates, each opponent sacrifices a creature of their choice.
4/6

Spellgorger Barbarian

{3}{R}

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Creature - Human Nightmare Barbarian
When this creature enters, discard a card at random. When this creature leaves the battlefield, draw a card.
3/1

Labyrinth Raptor

{B}{R}

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Creature - Nightmare Dinosaur
Menace Whenever a creature you control with menace becomes blocked, defending player sacrifices a creature of their choice that's blocking it. {B}{R}: Creatures you control with menace get +1/+0 until end of turn.
2/2

Worldgorger Dragon

{3}{R}{R}{R}

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Creature - Nightmare Dragon
Flying, trample When this creature enters, exile all other permanents you control. When this creature leaves the battlefield, return the exiled cards to the battlefield under their owners' control.
7/7

Zagoth Mamba

{B}

-- no image --
Creature - Nightmare Snake
Whenever this creature mutates, target creature an opponent controls gets -2/-2 until end of turn.
1/1

Petravark

{3}{R}

-- no image --
Creature - Nightmare Beast
When this creature enters, exile target land. When this creature leaves the battlefield, return the exiled card to the battlefield under its owner's control.
2/2

Cavern Whisperer

{4}{B}

-- no image --
Creature - Nightmare
Mutate {3}{B} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.) Menace (This creature can't be blocked except by two or more creatures.) Whenever this creature mutates, each opponent discards a card.
4/4

Foul Watcher

{1}{U}

-- no image --
Creature - Nightmare Bird
Flying When this creature enters, surveil 1. (Look at the top card of your library. You may put that card into your graveyard.) Delirium - This creature gets +1/+0 as long as there are four or more card types among cards in your graveyard.
1/2

Hunted Nightmare

{1}{B}{B}

-- no image --
Creature - Nightmare
Menace When this creature enters, target opponent puts a deathtouch counter on a creature they control.
4/5

Hypnox

{8}{B}{B}{B}

-- no image --
Creature - Nightmare Horror
Flying When this creature enters, if you cast it from your hand, exile all cards from target opponent's hand. When this creature leaves the battlefield, return the exiled cards to their owner's hand.
8/8

Dreadwing Scavenger

{1}{U}{B}

-- no image --
Creature - Nightmare Bird
Flying Whenever this creature enters or attacks, draw a card, then discard a card. Threshold - This creature gets +1/+1 and has deathtouch as long as there are seven or more cards in your graveyard.
2/2

Gloom Pangolin

{2}{B}

-- no image --
Creature - Nightmare Pangolin
1/5

Wormfang Newt

{1}{U}

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Creature - Nightmare Salamander Beast
When this creature enters, exile a land you control. When this creature leaves the battlefield, return the exiled card to the battlefield under its owner's control.
2/2

Faceless Devourer

{2}{B}

-- no image --
Creature - Nightmare Horror
Shadow (This creature can block or be blocked by only creatures with shadow.) When this creature enters, exile another target creature with shadow. When this creature leaves the battlefield, return the exiled card to the battlefield under its owner's control.
2/1

Gibbering Barricade

{2}{B}

-- no image --
Creature - Nightmare Wall
Defender {2}{B}, Sacrifice a creature: You gain 1 life and draw a card.
2/4

Soulgorger Orgg

{3}{R}{R}

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Creature - Nightmare Orgg
Trample When this creature enters, you lose all but 1 life. When this creature leaves the battlefield, you gain life equal to the life you lost when it entered.
6/6

Slitherwisp

{U}{B}{B}

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Creature - Elemental Nightmare
Flash Whenever you cast another spell that has flash, you draw a card and each opponent loses 1 life.
3/2

Wormfang Drake

{2}{U}

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Creature - Nightmare Drake
Flying When this creature enters, sacrifice it unless you exile a creature you control other than this creature. When this creature leaves the battlefield, return the exiled card to the battlefield under its owner's control.
3/4

Vitality Hunter

{3}{W}

-- no image --
Creature - Nightmare
Lifelink {X}{W}{W}: Monstrosity X. (If this creature isn't monstrous, put X +1/+1 counters on it and it becomes monstrous.) When this creature becomes monstrous, put a lifelink counter on each of up to X target creatures.
3/4

Soul Scourge

{4}{B}

-- no image --
Creature - Nightmare Horror
Flying When this creature enters, target player loses 3 life. When this creature leaves the battlefield, that player gains 3 life.
3/2

Petradon

{6}{R}{R}

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Creature - Nightmare Beast
When this creature enters, exile two target lands. When this creature leaves the battlefield, return the exiled cards to the battlefield under their owners' control. {R}: This creature gets +1/+0 until end of turn.
5/6

Devourer of Memory

{U}{B}

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Creature - Nightmare
Whenever one or more cards are put into your graveyard from your library, this creature gets +1/+1 until end of turn and can't be blocked this turn. {1}{U}{B}: Mill a card.
2/1

Mesmeric Fiend

{1}{B}

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Creature - Nightmare Horror
When this creature enters, target opponent reveals their hand and you choose a nonland card from it. Exile that card. When this creature leaves the battlefield, return the exiled card to its owner's hand.
1/1

Cursed Wombat

{B}{G}

-- no image --
Creature - Nightmare Wombat
2/3

Ashiok's Skulker

{4}{U}

-- no image --
Creature - Nightmare
{3}{U}: This creature can't be blocked this turn.
3/5

Cruel Somnophage

{1}{B}

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Creature - Nightmare
Cruel Somnophage's power and toughness are each equal to the number of creature cards in all graveyards.
X/X

Persistent Nightmare

-- no image --
Creature - Nightmare
Skulk (This creature can't be blocked by creatures with greater power.) When this creature deals combat damage to a player, return it to its owner's hand.
1/1

Fear of Falling

{3}{U}{U}

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Enchantment Creature - Nightmare
Flying Whenever this creature attacks, target creature defending player controls gets -2/-0 and loses flying until your next turn.
4/4

Fear of Infinity

{1}{U}{B}

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Enchantment Creature - Nightmare
Flying, lifelink This creature can't block. Eerie - Whenever an enchantment you control enters and whenever you fully unlock a Room, you may return this card from your graveyard to your hand.
2/2

Silvar, Devourer of the Free

{3}{B}{R}

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Legendary Creature - Cat Nightmare
Partner with Trynn, Champion of Freedom (When this creature enters, target player may put Trynn into their hand from their library, then shuffle.) Menace Sacrifice a Human: Put a +1/+1 counter on Silvar. It gains indestructible until end of turn.
4/2

Fear of Burning Alive

{4}{R}{R}

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Enchantment Creature - Nightmare
When this creature enters, it deals 4 damage to each opponent. Delirium - Whenever a source you control deals noncombat damage to an opponent, if there are four or more card types among cards in your graveyard, this creature deals that amount of damage to target creature that player controls.
4/4

Fear of Isolation

{1}{U}

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Enchantment Creature - Nightmare
As an additional cost to cast this spell, return a permanent you control to its owner's hand. Flying
2/3

Fear of Missing Out

{1}{R}

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Enchantment Creature - Nightmare
When this creature enters, discard a card, then draw a card. Delirium - Whenever this creature attacks for the first time each turn, if there are four or more card types among cards in your graveyard, untap target creature. After this phase, there is an additional combat phase.
2/3

Fear of Unsleeved Decks

{3}{G}

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Enchantment Creature - Nightmare
As long as you aren't playing with sleeves, Fear of Unsleeved Decks gets +1/+1 and has trample. (No, you can't start with sleeves and then remove them.)
4/4

Fear of Failed Tests

{4}{U}

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Enchantment Creature - Nightmare
Whenever this creature deals combat damage to a player, draw that many cards.
2/7

Fear of Lost Teeth

{B}

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Enchantment Creature - Nightmare
When this creature dies, it deals 1 damage to any target and you gain 1 life.
1/1

Lurrus of the Dream-Den

{1}{W/B}{W/B}

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Legendary Creature - Cat Nightmare
Companion - Each permanent card in your starting deck has mana value 2 or less. (If this card is your chosen companion, you may put it into your hand from outside the game for {3} as a sorcery.) Lifelink Once during each of your turns, you may cast a permanent spell with mana value 2 or less from your graveyard.
3/2

Fear of Change

{G}{U}

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Enchantment Creature - Nightmare
When this creature enters or dies, exile another creature you control. If you do, conjure a duplicate of a random creature card with mana value X onto the battlefield, where X is 2 plus the exiled creature's mana value.
2/3

Fear of Surveillance

{1}{W}

-- no image --
Enchantment Creature - Nightmare
Vigilance Whenever this creature attacks, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)
2/2

Fear of Impostors

{1}{U}{U}

-- no image --
Enchantment Creature - Nightmare
Flash When this creature enters, counter target spell. Its controller manifests dread. (That player looks at the top two cards of their library, then puts one onto the battlefield face down as a 2/2 creature and the other into their graveyard. If it's a creature card, it can be turned face up any time for its mana cost.)
3/2

Nethroi, Apex of Death

{2}{W}{B}{G}

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Legendary Creature - Cat Nightmare Beast
Mutate {4}{G/W}{B}{B} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.) Deathtouch, lifelink Whenever this creature mutates, return any number of target creature cards with total power 10 or less from your graveyard to the battlefield.
5/5

Falthis, Shadowcat Familiar

{2}{B}

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Legendary Creature - Nightmare Cat
Commanders you control have menace and deathtouch. Partner (You can have two commanders if both have partner.)
2/2

Kathril, Aspect Warper

{2}{W}{B}{G}

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Legendary Creature - Nightmare Insect
When Kathril enters, put a flying counter on any creature you control if a creature card in your graveyard has flying. Repeat this process for first strike, double strike, deathtouch, hexproof, indestructible, lifelink, menace, reach, trample, and vigilance. Then put a +1/+1 counter on Kathril for each counter put on a creature this way.
3/3

Fear of Ridicule

{1}{B}{B}

-- no image --
Enchantment Creature - Nightmare
Enchantment creatures you control have menace. Whenever one or more enchantment creatures you control deal combat damage to a player, exile a random creature card from that player's library. Create a token that's a copy of that card, except it's a 1/1 enchantment creature.
2/3

Tayam, Luminous Enigma

{1}{W}{B}{G}

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Legendary Creature - Nightmare Beast
Each other creature you control enters with an additional vigilance counter on it. {3}, Remove three counters from among creatures you control: Mill three cards, then return a permanent card with mana value 3 or less from your graveyard to the battlefield.
3/3

Fear of Going 0-2 Drop

{1}{R}

-- no image --
Enchantment Creature - Nightmare
Whenever you cast a noncreature spell, this creature deals 1 damage to each opponent. As long as you have exactly one loss in the event you're playing, this creature gets +2/+0. (For example, if your record is 0-1, this creature gets +2/+0.)
0/2

Fear of Abduction

{4}{W}{W}

-- no image --
Enchantment Creature - Nightmare
As an additional cost to cast this spell, exile a creature you control. Flying When this creature enters, exile target creature an opponent controls. When this creature leaves the battlefield, put each card exiled with it into its owner's hand.
5/5

Fear of the Dark

{4}{B}

-- no image --
Enchantment Creature - Nightmare
Whenever this creature attacks, if defending player controls no Glimmer creatures, it gains menace and deathtouch until end of turn. (A creature with menace can't be blocked except by two or more creatures.)
5/5

Fear of Being Hunted

{1}{R}{R}

-- no image --
Enchantment Creature - Nightmare
Haste This creature must be blocked if able.
4/2

Fear of Sleep Paralysis

{5}{U}

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Enchantment Creature - Nightmare
Flying Eerie - Whenever this creature or another enchantment you control enters and whenever you fully unlock a Room, tap up to one target creature and put a stun counter on it. Stun counters can't be removed from permanents your opponents control. (They won't untap if they have stun counters.)
6/6

Zaxara, the Exemplary

{1}{B}{G}{U}

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Legendary Creature - Nightmare Hydra
Deathtouch {T}: Add two mana of any one color. Whenever you cast a spell with {X} in its mana cost, create a 0/0 green Hydra creature token, then put X +1/+1 counters on it.
2/3

Fear of Exposure

{2}{G}

-- no image --
Enchantment Creature - Nightmare
As an additional cost to cast this spell, tap two untapped creatures and/or lands you control. Trample
5/4

Umbris, Fear Manifest

{3}{U}{B}

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Legendary Creature - Nightmare Horror
Umbris gets +1/+1 for each card your opponents own in exile. Whenever Umbris or another Nightmare or Horror you control enters, target opponent exiles cards from the top of their library until they exile a land card.
1/1

Ovika, Enigma Goliath

{5}{U}{R}

-- no image --
Legendary Creature - Phyrexian Nightmare
Flying Ward-{3}, Pay 3 life. Whenever you cast a noncreature spell, create X 1/1 red Phyrexian Goblin creature tokens, where X is the mana value of that spell. They gain haste until end of turn.
6/6

Snapdax, Apex of the Hunt

{1}{R}{W}{B}

-- no image --
Legendary Creature - Dinosaur Cat Nightmare
Mutate {2}{B/R}{W}{W} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.) Double strike Whenever this creature mutates, it deals 4 damage to target creature or planeswalker an opponent controls and you gain 4 life.
3/5

Nightmare

-- no image --
Token Creature - Nightmare
At the beginning of combat on your turn, if a card was put into exile this turn, put a +1/+1 counter on this creature.
1/1

Nightmare

-- no image --
Token Creature - Nightmare
Whenever this creature attacks or blocks, each opponent exiles the top two cards of their library.
2/3

Otrimi, the Ever-Playful

{3}{B}{G}{U}

-- no image --
Legendary Creature - Nightmare Beast
Mutate {1}{B}{G}{U} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.) Trample Whenever this creature deals combat damage to a player, return target creature card with mutate from your graveyard to your hand.
6/6

Fear of the Unknown

{6}

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Enchantment Creature - Nightmare
Trample When you cast this spell, choose a playtest card you own from outside the game. Exile it. You may cast that card as long as it remains exiled. Mana of any type can be spent to cast that spell. (In a sealed event, outside the game is your sideboard.)
6/6

Braids, Arisen Nightmare

{1}{B}{B}

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Legendary Creature - Nightmare
At the beginning of your end step, you may sacrifice an artifact, creature, enchantment, land, or planeswalker. If you do, each opponent may sacrifice a permanent of their choice that shares a card type with it. For each opponent who doesn't, that player loses 2 life and you draw a card.
3/3

Brokkos, Apex of Forever

{2}{B}{G}{U}

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Legendary Creature - Nightmare Beast Elemental
Mutate {2}{U/B}{G}{G} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.) Trample You may cast this card from your graveyard using its mutate ability.
6/6

Nightmare Horror

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Token Creature - Nightmare Horror
X/X

Fear of Immobility

{4}{W}

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Enchantment Creature - Nightmare
When this creature enters, tap up to one target creature. If an opponent controls that creature, put a stun counter on it. (If a permanent with a stun counter would become untapped, remove one from it instead.)
4/4

Sephiroth, One-Winged Angel

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Legendary Creature - Angel Nightmare Avatar
Flying Super Nova - As this creature transforms into Sephiroth, One-Winged Angel, you get an emblem with "Whenever a creature dies, target opponent loses 1 life and you gain 1 life." Whenever Sephiroth attacks, you may sacrifice any number of other creatures. If you do, draw that many cards.
5/5

Ultimecia, Omnipotent

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Legendary Creature - Nightmare Warlock
Menace (This creature can't be blocked except by two or more creatures.) Time Compression - When this creature transforms into Ultimecia, Omnipotent, take an extra turn after this one.
7/7

The Mindskinner

{U}{U}{U}

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Legendary Enchantment Creature - Nightmare
The Mindskinner can't be blocked. If a source you control would deal damage to an opponent, prevent that damage and each opponent mills that many cards.
10/1

Braska's Final Aeon

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Legendary Enchantment Creature - Saga Nightmare
(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I, II - Jecht Beam - Each opponent discards a card and you draw a card. III - Ultimate Jecht Shot - Each opponent sacrifices two creatures of their choice. Menace
7/7