Pay 1 life: Carrion Howler gets +2/-1 until end of turn.

Rotting Legion enters the battlefield tapped.

Whenever Hollow Dogs attacks, it gets +2/+0 until end of turn.

When Cyclopean Mummy dies, exile it.

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

, Sacrifice Nim Replica: Target creature gets -1/-1 until end of turn.

Morph—Pay 5 life. (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)

When Necromancer's Assistant enters the battlefield, mill three cards.

: Undead Leotau gets +1/-1 until end of turn.

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.)

When Accursed Centaur enters the battlefield, sacrifice a creature.

Flying

When Aphetto Vulture dies, you may put target Zombie card from your graveyard on top of your library.

, Exile two cards from your graveyard and Zombie Assassin: Destroy target nonblack creature. It can't be regenerated.

Mindless Null can't block unless you control a Vampire.

First strike

Whenever a creature dealt damage by Abattoir Ghoul this turn dies, you gain life equal to that creature's toughness.

When Acererak the Archlich enters the battlefield, if you haven't completed Tomb of Annihilation, return Acererak the Archlich to its owner's hand and venture into the dungeon.

Whenever Acererak the Archlich attacks, for each opponent, you create a 2/2 black Zombie creature token unless that player sacrifices a creature.

As long as it's your turn, Ahn-Crop Invader has first strike.

, Sacrifice another creature: Ahn-Crop Invader gets +2/+0 until end of turn.

, , Sacrifice Apprentice Necromancer: Return target creature card from your graveyard to the battlefield. That creature gains haste. At the beginning of the next end step, sacrifice it.

Arisen Gorgon has deathtouch as long as you control a Liliana planeswalker. (Any amount of damage this deals to a creature is enough to destroy it.)

When Attendant of Vraska dies, if you control a Vraska planeswalker, you gain life equal to Attendant of Vraska's power.

When Baloth Null enters the battlefield, return up to two target creature cards from your graveyard to your hand.

Whenever another Zombie enters the battlefield under your control, you may tap target artifact or creature.

Other Zombies you control get +1/+0.

Bladewing's Thrall has flying as long as you control a Dragon.

When a Dragon enters the battlefield, you may return Bladewing's Thrall from your graveyard to the battlefield.

Whenever you discard a creature card, create a 2/2 black Zombie creature token.

Whenever you discard a land card, add .

Whenever you discard a noncreature, nonland card, draw a card.

Flying

Whenever a Dragon you control dies while Boneyard Scourge is in your graveyard, you may pay . If you do, return Boneyard Scourge from your graveyard to the battlefield.

Undying (When this creature dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.)

, : Each opponent loses 2 life. Activate only if a creature died this turn.

At the beginning of your upkeep, tap Carnophage unless you pay 1 life.

Flying

At the beginning of combat on your turn, if you control three or more creatures that each have toughness greater than their power, transform Catapult Fodder.

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

, : Exile target creature card from a graveyard. Create a 2/2 black Zombie creature token.

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

You may choose not to untap Coffin Queen during your untap step.

, : Put target creature card from a graveyard onto the battlefield under your control. When Coffin Queen becomes untapped or you lose control of Coffin Queen, exile that creature.

When Corpse Connoisseur enters the battlefield, you may search your library for a creature card, put that card into your graveyard, then shuffle.

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.)

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

Suspend 5— (Rather than cast this card from your hand, you may pay and exile it with five time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost. It has haste.)

Double strike

When Crypt Champion enters the battlefield, each player puts a creature card with mana value 3 or less from their graveyard onto the battlefield.

When Crypt Champion enters the battlefield, sacrifice it unless was spent to cast it.

Flying

When you sacrifice a Clue, return Curious Cadaver from your graveyard to your hand.

When Custodi Lich enters the battlefield, you become the monarch.

Whenever you become the monarch, target player sacrifices a creature.

Whenever you cast an enchantment spell, you get an experience counter.

: Create a white and black Spirit enchantment creature token. It has "This creature's power and toughness are each equal to the number of experience counters you have."

Skeletons you control and other Zombies you control get +1/+1 and have deathtouch.

At the beginning of your upkeep, put a spore counter on Deathspore Thallid.

Remove three spore counters from Deathspore Thallid: Create a 1/1 green Saproling creature token.

Sacrifice a Saproling: Target creature gets -1/-1 until end of turn.

: Target opponent loses 2 life and you gain 2 life. Activate only if you control a Liliana planeswalker.

Diregraf Colossus enters the battlefield with a +1/+1 counter on it for each Zombie card in your graveyard.

Whenever you cast a Zombie spell, create a tapped 2/2 black Zombie creature token.

When Diregraf Horde enters the battlefield, create two 2/2 black Zombie creature tokens with decayed. When you do, exile up to two target cards from graveyards. (A creature with decayed can't block. When it attacks, sacrifice it at end of combat.)

When Discordant Piper dies, create a 0/1 white Goat creature token.

Exploit (When this creature enters the battlefield, you may sacrifice a creature.)

When Diver Skaab exploits a creature, target creature's owner puts it on the top or bottom of their library.

If a nontoken creature an opponent controls would die, exile that card with an ice counter on it instead.

You may cast spells from among cards in exile your opponents own with ice counters on them, and you may spend mana from snow sources as though it were mana of any color to cast those spells.

When Draugr Thought-Thief enters the battlefield, look at the top card of target player's library. You may put that card into their graveyard.

Dread Wanderer enters the battlefield tapped.

: Return Dread Wanderer from your graveyard to the battlefield. Activate only as a sorcery and only if you have one or fewer cards in hand.