Whenever Abomination blocks or becomes blocked by a green or white creature, destroy that creature at end of combat.

Vigilance; menace (This creature can't be blocked except by two or more creatures.)

Abomination of Llanowar's power and toughness are each equal to the number of Elves you control plus the number of Elf cards in your graveyard.

When Abyssal Gorestalker enters, each player sacrifices two creatures.

Whenever an opponent discards a card, Abyssal Nocturnus gets +2/+2 and gains fear until end of turn. (It can't be blocked except by artifact creatures and/or black creatures.)

Each spell you cast that's a Demon, Horror, or Nightmare costs less to cast.

Whenever you cast a spell, if the amount of mana spent to cast it was less than its mana value, target opponent loses life equal to the difference.

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

At the beginning of your upkeep, you may move a +1/+1 counter from target creature onto Arcbound Fiend.

Modular 3 (This creature enters with three +1/+1 counters on it. When it dies, you may put its +1/+1 counters on target artifact creature.)

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.)

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

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

Whenever you cast a red spell, Balefire Liege deals 3 damage to target player or planeswalker.

Whenever you cast a white spell, you gain 3 life.

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)

When Blistergrub dies, each opponent loses 2 life.

Flying

Threshold — As long as seven or more cards are in your graveyard, Boneshard Slasher gets +2/+2 and has "When Boneshard Slasher becomes the target of a spell or ability, sacrifice it."

When you cast this spell, you may return target Angel or Human creature card from your graveyard to the battlefield.

Flying, vigilance

(Melds with Gisela, the Broken Blade.)

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

Deathtouch

When Carnival Carnivore enters, 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.

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

Chained Throatseeker can't attack unless defending player is poisoned.

Flying

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

Fathomless descent — When Chupacabra Echo enters, target creature an opponent controls gets -X/-X until end of turn, where X is the number of permanent cards in your graveyard.

, , Sacrifice another Zombie: Create two tokens that are copies of the sacrificed creature.

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.

, Sacrifice a creature: Regenerate Corrupted Harvester.

Toxic 1 (Players dealt combat damage by this creature also get a poison counter.)

When Crawling Chorus dies, create a 1/1 colorless Phyrexian Mite artifact creature token with toxic 1 and "This creature can't block."

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.

When Crypt Lurker enters, you may sacrifice a creature or discard a creature card. If you do, draw a card.

When Culvert Ambusher enters or is turned face up, target creature blocks this turn if able.

Disguise (You may cast this card face down for as a 2/2 creature with ward . Turn it face up any time for its disguise cost.)

Flying

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

At the beginning of your upkeep, you may exile a card from a graveyard. If a creature card was exiled this way, put a +1/+1 counter on Deathbonnet Hulk.

Menace

As an additional cost to cast black permanent spells, you may pay 2 life. Those spells cost less to cast if you paid life this way. This effect reduces only the amount of black mana you pay.

Whenever you cast a black permanent spell, target creature you control gets +1/+1 and gains menace until end of turn.

Trample, haste

Delirium — Whenever Demolisher Spawn attacks, if there are four or more card types among cards in your graveyard, other attacking creatures get +4/+4 until end of turn.

Flying, trample

At the beginning of your upkeep, sacrifice a creature.

Sacrifice a creature: Regenerate Devouring Strossus.

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

Reach

Soulbond (You may pair this creature with another unpaired creature when either enters. They remain paired for as long as you control both of them.)

As long as Doom Weaver is paired with another creature, each of those creatures has "When this creature dies, draw cards equal to its power."

Menace

Whenever Dread Osseosaur enters or attacks, you may mill two cards. (You may put the top two cards of your library into your graveyard.)

Trample

Dread Slag gets -4/-4 for each card in your hand.

Ward (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays .)

: Dreadlight Monstrosity can't be blocked this turn. Activate only if you own a card in exile.

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.

When Drownyard Amalgam enters, target player mills three cards. (They put the top three cards of their library into their graveyard.)

: Drownyard Amalgam can't be blocked this turn.

As an additional cost to cast this spell, sacrifice a creature, discard a card, or pay 4 life.

When Dusk Mangler enters, each opponent sacrifices a creature, discards a card, and loses 4 life.

Menace

Whenever Elder Brain attacks a player, exile all cards from that player's hand, then they draw that many cards. You may play lands and cast spells from among the exiled 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.

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

You may cast Eternal Scourge from exile.

When Eternal Scourge becomes the target of a spell or ability an opponent controls, exile Eternal Scourge.

Protection from white

When Eviscerator enters, you lose 5 life.

, 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, exile another target creature with shadow.

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

: Adapt 2. (If this creature has no +1/+1 counters on it, put two +1/+1 counters on it.)

Whenever one or more +1/+1 counters are put on Fetid Gargantua, you may draw two cards. If you do, you lose 2 life.

When First-Sphere Gargantua enters, 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.)

When Foul Emissary enters, look at the top four cards of your library. You may reveal a creature card from among them and put it into your hand. Put the rest on the bottom of your library in any order.

When you sacrifice Foul Emissary while casting a spell with emerge, create a 3/2 colorless Eldrazi Horror creature token.

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.