First strike

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

: Target attacking Zombie gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it. If its toughness is 0 or less, it's still put into its owner's graveyard.)

Constellation — Whenever Agent of Erebos or another enchantment enters the battlefield under your control, exile all cards from target player's graveyard.

Afflict 3 (Whenever this creature becomes blocked, defending player loses 3 life.)

Whenever an opponent casts a spell, put a -1/-1 counter on Ammit Eternal.

Whenever Ammit Eternal deals combat damage to a player, remove all -1/-1 counters from it.

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

, , 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.

When Armored Skaab enters the battlefield, mill four cards.

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

, Growl: Regenerate Bad Ass.

Cumulative upkeep (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.)

Whenever Balduvian Fallen's cumulative upkeep is paid, it gets +1/+0 until end of turn for each or spent this way.

Minion creatures get +1/+1.

, Exile Balthor the Defiled: Each player returns all black and all red creature cards from their graveyard to the battlefield.

At the beginning of each player's postcombat main phase, that player adds for each of your opponents who lost life this turn. (Damage causes loss of life.)

When Black Cat dies, target opponent discards a card at random.

Haste

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

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 a player casts a spell, Blind Creeper gets -1/-1 until end of turn.

When the names of three or more nonland permanents begin with the same letter, sacrifice Bloodletter. If you do, it deals 2 damage to each creature and each player.

Whenever Bone Dancer attacks and isn't blocked, you may put the top creature card of defending player's graveyard onto the battlefield under your control. If you do, Bone Dancer assigns no combat damage this turn.

: Regenerate target Zombie.

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

, : Create a 1/1 black and red Demon creature token named Minor Demon.

You may begin the game with CARDNAME in your graveyard. If you do, you lose 1 life.

, : Target player reveals X cards from their hand and you choose one of them. That player discards that card. Activate this ability only any time you could cast a sorcery.

Flanking (Whenever a creature without flanking blocks this creature, the blocking creature gets -1/-1 until end of turn.)

: Regenerate Cadaverous Knight.

Menace

Whenever a creature attacks one of your opponents, that player loses 1 life.

Flying (This creature can't be blocked except by creatures with flying or reach.)

Carrion Crow enters the battlefield tapped.

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

Whenever Carrion Wurm attacks or blocks, any player may exile three cards from their graveyard. If a player does, Carrion Wurm assigns no combat damage this turn.

Sacrifice two lands: Return Coffin Puppets from your graveyard to the battlefield. Activate this ability only during your upkeep and only if you control a Swamp.

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

Defender

Sacrifice another creature: Corpse Blockade gains deathtouch until end of turn.

, , Sacrifice a creature: Search your library for a Zombie card and a Swamp card, reveal them, and put them into your hand. Then shuffle your library.

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, cast it without paying its mana cost. It has haste.)

Flying

When Crow of Dark Tidings enters the battlefield or dies, mill two cards. (Put the top two cards of your library into your graveyard.)

Sacrifice Crypt Creeper: Exile target card from a graveyard.

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

When Cyclopean Giant dies, target land becomes a Swamp. Exile Cyclopean Giant.

When CARDNAME dies, two target lands become Swamps. Exile CARDNAME.

, : Tap target creature, then return CARDNAME to its owner's hand.

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

Whenever a creature with shadow dies, put a +1/+1 counter on Dauthi Ghoul.

Unleash (You may have this creature enter the battlefield with a +1/+1 counter on it. It can't block as long as it has a +1/+1 counter on it.)

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

Drakestown Forgotten enters the battlefield with X +1/+1 counters on it, where X is the number of creature cards in all graveyards.

, Remove a +1/+1 counter from Drakestown Forgotten: Target creature gets -1/-1 until end of turn.

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.

At end of combat, put a paralyzation counter on each creature blocking or blocked by Dread Wight and tap those creatures. Each of those creatures doesn't untap during its controller's untap step for as long as it has a paralyzation counter on it. Each of those creatures gains ": Remove a paralyzation counter from this creature."

Haste

Whenever Dreadhorde Butcher deals combat damage to a player or planeswalker, put a +1/+1 counter on Dreadhorde Butcher.

When Dreadhorde Butcher dies, it deals damage equal to its power to any target.

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

, Sacrifice another creature or planeswalker: Put two +1/+1 counters on Dreadmalkin.

Haste

Scavenge (, Exile this card from your graveyard: Put a number of +1/+1 counters equal to this card's power on target creature. Scavenge only as a sorcery.)