Flying

Whenever Abomination of Gudul deals combat damage to a player, you may draw a card. If you do, discard a card.

Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)

When Abyssal Gatekeeper dies, each player sacrifices a creature.

Flying

When Abyssal Horror enters the battlefield, target player discards two cards.

Flying, vigilance, deathtouch, lifelink

At the beginning of your end step, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Flying

At the beginning of your upkeep, mill a card.

Threshold — As long as seven or more cards are in your graveyard, Bloodcurdler gets +1/+1 and has "At the beginning of your end step, exile two cards from your graveyard."

Flying

At the beginning of your end step, exile the top card of each opponent's library. You may play those cards for as long as they remain exiled. If you cast a spell this way, you may spend mana as though it were mana of any color to cast it.

Whenever a nonland permanent an opponent owns enters the battlefield under your control, they lose life equal to its mana value.

As Canker Abomination enters the battlefield, choose an opponent. Canker Abomination enters the battlefield with a -1/-1 counter on it for each creature that player controls.

Deathtouch

When Carnival Carnivore enters the battlefield, you get , then you may put a sticker on a nonland permanent you own.

, : Search your library for a Mercenary permanent card with mana value 2 or less, put it onto the battlefield, then shuffle.

Sacrifice a creature: Regenerate Cateran Overlord.

, : Search your library for a Mercenary permanent card with mana value 6 or less, put it onto the battlefield, then shuffle.

Flying

Threshold — As long as seven or more cards are in your graveyard, Childhood Horror gets +2/+2 and can't block.

Consuming Aberration's power and toughness are each equal to the number of cards in your opponents' graveyards.

Whenever you cast a spell, each opponent reveals cards from the top of their library until they reveal a land card, then puts those cards into their graveyard.

First strike

At the beginning of your upkeep, destroy Cosmic Horror unless you pay . If Cosmic Horror is destroyed this way, it deals 7 damage to you.

Whenever Creeping Inn attacks, you may exile a creature card from your graveyard. If you do, each opponent loses X life and you gain X life, where X is the number of creature cards exiled with Creeping Inn.

: Creeping Inn phases out.

Trample

Cryptborn Horror enters the battlefield with X +1/+1 counters on it, where X is the total life lost by your opponents this turn.

Flying

When Dark Hatchling enters the battlefield, destroy target nonblack creature. It can't be regenerated.

Other white creatures you control get +1/+1.

Other black creatures you control get +1/+1.

Whenever you cast a white spell, you may tap target creature.

Whenever you cast a black spell, you may destroy target creature if it's tapped.

You may sacrifice three black creatures rather than pay this spell's mana cost.

Trample

Flying, trample

At the beginning of your upkeep, sacrifice a creature.

Sacrifice a creature: Regenerate Devouring Strossus.

When Dinrova Horror enters the battlefield, return target permanent to its owner's hand, then that player discards a card.

Flying

When Dread Reaper enters the battlefield, you lose 5 life.

Whenever a creature dealt damage by Dread Slaver this turn dies, return it to the battlefield under your control. That creature is a black Zombie in addition to its other colors and types.

Drinker of Sorrow can't block.

Whenever Drinker of Sorrow deals combat damage, sacrifice a permanent.

Protection from white

At the beginning of your end step, you lose 4 life.

Whenever a creature dies, you gain 2 life.

Flying

When Dunland Crebain enters the battlefield, amass Orcs 2. (Put two +1/+1 counters on an Army you control. It's also an Orc. If you don't control an Army, create a 0/0 black Orc Army creature token first.)

: If Eater of the Dead is tapped, exile target creature card from a graveyard and untap Eater of the Dead.

When Enslaved Horror enters the battlefield, each other player may return a creature card from their graveyard to the battlefield.

Unearth (: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

, Discard a card: Face of Fear gains fear until end of turn. (It can't be blocked except by artifact creatures and/or black creatures.)

Shadow (This creature can block or be blocked by only creatures with shadow.)

When Faceless Devourer enters the battlefield, exile another target creature with shadow.

When Faceless Devourer leaves the battlefield, return the exiled card to the battlefield under its owner's control.

When First-Sphere Gargantua enters the battlefield, you draw a card and you lose 1 life.

Unearth (: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

Transfigure (, Sacrifice this creature: Search your library for a creature card with the same mana value as this creature, put that card onto the battlefield, then shuffle. Transfigure only as a sorcery.)

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)

Threshold — As long as seven or more cards are in your graveyard, Frightcrawler gets +2/+2 and can't block.

Trample

Cumulative upkeep—Pay 1 life. (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

( can be paid with either or .)

Trample

At the beginning of your end step, return to your hand all creature cards in your graveyard that were put there from the battlefield this turn.

Menace

Evolve (Whenever a creature enters the battlefield under your control, if that creature has greater power or toughness than this creature, put a +1/+1 counter on this creature.)

Skulk (This creature can't be blocked by creatures with greater power.)

At the beginning of your end step, each opponent dealt combat damage this game by a creature named Gollum, Obsessed Stalker loses life equal to the amount of life you gained this turn.

Whenever Gollum, Scheming Guide attacks, look at the top two cards of your library, put them back in any order, then choose land or nonland. An opponent guesses whether the top card of your library is the chosen kind. Reveal that card. If they guessed right, remove Gollum from combat. Otherwise, you draw a card and Gollum can't be blocked this turn.

When Gravegouger enters the battlefield, exile up to two target cards from a single graveyard.

When Gravegouger leaves the battlefield, return the exiled cards to their owner's graveyard.

At the beginning of your upkeep, sacrifice a permanent.

Whenever Greater Harvester deals combat damage to a player, that player sacrifices two permanents.

Grief Tyrant enters the battlefield with four -1/-1 counters on it.

When Grief Tyrant dies, put a -1/-1 counter on target creature for each -1/-1 counter on Grief Tyrant.

Menace

Whenever Grime Gorger attacks, exile up to one card of each card type from defending player's graveyard. Put a +1/+1 counter on Grime Gorger for each card exiled this way.

When Gulping Scraptrap enters the battlefield or dies, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Create a 1/1 white Human creature token and a Food token. (Then exile this card. You may cast the creature later from exile.)

When Hidden Horror enters the battlefield, sacrifice it unless you discard a creature card.

Molting Exoskeleton — When Hook Horror dies, it perpetually gets -1/-1. Then if that card's toughness is 1 or greater, return it to the battlefield under its owner's control.

: Horror of the Dim gains hexproof until end of turn. (It can't be the target of spells or abilities your opponents control.)

Flying

When Hypnox enters the battlefield, if you cast it from your hand, exile all cards from target opponent's hand.

When Hypnox leaves the battlefield, return the exiled cards to their owner's hand.

Whenever Infectious Horror attacks, each opponent loses 2 life.