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

When this creature enters, each player sacrifices a nontoken creature of their choice.

When Acererak enters, if you haven't completed Tomb of Annihilation, return Acererak to its owner's hand and venture into the dungeon. Whenever Acererak attacks, for each opponent, you create a 2/2 black Zombie creature token unless that player sacrifices a creature of their choice.

Constellation — Whenever this creature or another enchantment you control enters, exile target player's graveyard.

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

Whenever this creature 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, this creature assigns no combat damage this turn.

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

Other Zombie creatures you control get +1/+1. {2}{B}, {T}: Exile target creature card from a graveyard. Create a 2/2 black Zombie creature token.

Whenever another Zombie you control enters, put a +1/+1 counter on this creature.

You may choose not to untap this creature during your untap step. {2}{B}, {T}: Put target creature card from a graveyard onto the battlefield under your control. When this creature becomes untapped or you lose control of this creature, exile that creature.

{1}{B}, {T}, Sacrifice a creature: Search your library for a Zombie card and a Swamp card, reveal them, put them into your hand, then shuffle.

Whenever another creature you control enters, each opponent loses 1 life.

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.) Suspend 5—{B} (Rather than cast this card from your hand, you may pay {B} 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.)

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 this creature.

Skeletons you control and other Zombies you control get +1/+1 and have deathtouch. (Any amount of damage they deal to a creature is enough to destroy it.)

Deathtouch Other Zombie creatures you control get +1/+1. Whenever another Zombie you control dies, target opponent loses 1 life.

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.

Whenever a creature dealt damage by this creature 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.

Vigilance, ward {2} Other Zombies you control have vigilance. Whenever another legendary creature you control dies, create a token that's a copy of that creature, except it's not legendary and it's a 2/2 black Zombie in addition to its other colors and types.

Whenever another Zombie you control dies, if it didn't have decayed, create a 2/2 black Zombie creature token with decayed. (It can't block. When it attacks, sacrifice it at end of combat.) At the beginning of your end step, you may sacrifice a Zombie. If you do, draw a card.