Sacrifice X Zombies, then reveal cards from the top of your library until you reveal a number of Zombie creature cards equal to the number of Zombies sacrificed this way. Put those cards onto the battlefield and the rest on the bottom of your library in a random order.

Reveal the top five cards of your library. An opponent separates those cards into two piles. Put one pile into your hand and the other into your graveyard.

Ninjutsu {2}{U}{B} ({2}{U}{B}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.) Whenever this creature deals combat damage to a player, that player exiles the top two cards of their library. Until end of turn, you may play those cards without paying their mana costs.

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.

As this land enters, you may reveal an Island or Swamp card from your hand. If you don't, this land enters tapped. {T}: Add {U} or {B}.

This land enters tapped. When this land enters, return a land you control to its owner's hand. {T}: Add {U}{B}.

This land enters tapped. {T}: Add {U} or {B}.

This land enters tapped. When this land enters, you gain 1 life. {T}: Add {U} or {B}.

({T}: Add {U}.)

({T}: Add {U} or {B}.) This land enters tapped unless you control two or more basic lands.

({T}: Add {B}.)

{T}: Add {C}. {T}: Add {U} or {B}. Activate only if you control a Swamp.

This land enters tapped. {T}: Add {U} or {B}. {2}{U}{B}, {T}, Sacrifice this land: Draw a card.

Counter target noncreature spell. Its controller creates two Treasure tokens. (They're artifacts with "{T}, Sacrifice this token: Add one mana of any color.")

Counter target spell.

Counter target noncreature spell. Its controller loses 2 life.

Grimgrin enters tapped and doesn't untap during your untap step. Sacrifice another creature: Untap Grimgrin and put a +1/+1 counter on it. Whenever Grimgrin attacks, destroy target creature defending player controls, then put a +1/+1 counter on Grimgrin.

Counter target noncreature spell.

At the beginning of your upkeep, you lose 1 life and amass Zombies 1. (Put a +1/+1 counter on an Army you control. It's also a Zombie. If you don't control an Army, create a 0/0 black Zombie Army creature token first.) Whenever a Zombie token you control with power 6 or greater attacks, it gains lifelink until end of turn.

Whenever a nontoken creature you control dies, create a 2/2 black Zombie creature token.

Create thirteen tapped 2/2 black Zombie creature tokens. Flashback {7}{B}{B}{B} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

As an additional cost to cast this spell, sacrifice a creature. Return a creature card from your graveyard to the battlefield, then return another creature card from your graveyard to your hand.

Return target creature card from your graveyard to the battlefield. Flashback—Sacrifice three creatures. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

As an additional cost to cast this spell, sacrifice a creature or pay {3}{B}. Exile target creature or planeswalker.

Destroy target creature or enchantment an opponent controls. You lose life equal to that permanent's mana value.

Choose one — • Return target creature card from your graveyard to your hand. • Return two target Zombie cards from your graveyard to your hand.

Destroy all creatures, then return a creature card put into a graveyard this way to the battlefield under your control. It's a black Zombie in addition to its other colors and types. Exile Necromantic Selection.

Each player sacrifices six creatures of their choice. You create six tapped 2/2 black Zombie creature tokens.

Target player draws two cards and loses 2 life.

Choose two target creature cards in your graveyard. Sacrifice a creature. If you do, return the chosen cards to the battlefield tapped.

{1}, {T}, Discard a card: Put a study counter on Grimoire of the Dead. {T}, Remove three study counters from Grimoire of the Dead and sacrifice it: Put all creature cards from all graveyards onto the battlefield under your control. They're black Zombies in addition to their other colors and types.

Zombies you control have flying. {U}, {T}, Sacrifice another nontoken creature: Create an X/X blue Zombie creature token, where X is the sacrificed creature's toughness.

{T}: Add {B}. Whenever a creature you control dies, put a corpse counter on this artifact. {4}{B}{B}, {T}, Sacrifice this artifact: Create a 2/2 black Zombie creature token with decayed for each corpse counter on this artifact. (A creature with decayed can't block. When it attacks, sacrifice it at end of combat.)

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

When this creature enters, amass Zombies 1. (Put a +1/+1 counter on an Army you control. It's also a Zombie. If you don't control an Army, create a 0/0 black Zombie Army creature token first.) Zombie tokens you control have hexproof and menace.

Whenever this creature or another Zombie you control dies, look at the top card of your library. If it's a Zombie card, you may reveal it and put it into your hand. If you don't put the card into your hand, you may put it into your graveyard.

When this creature dies, you draw X cards and you lose X life, where X is the number of creature cards in target player's graveyard.

Deathtouch Exploit (When this creature enters, you may sacrifice a creature.) When this creature exploits a creature, target player draws two cards and loses 2 life.

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

Cycling {B}{B} ({B}{B}, Discard this card: Draw a card.) When you cycle this card, you may have target player lose life equal to the number of Zombies on the battlefield.

{B}, {T}, Sacrifice another creature: Create X 2/2 black Zombie creature tokens, where X is the sacrificed creature's power.

This creature can't block. You may cast this card from your graveyard as long as you control a Zombie.

When this creature enters, you may return target creature card from your graveyard to your hand.

Tap five untapped Zombies you control: Put target creature card from a graveyard onto the battlefield under your control.

When this creature enters, each opponent loses X life, where X is your devotion to black. You gain life equal to the life lost this way. (Each {B} in the mana costs of permanents you control counts toward your devotion to black.)

Deathtouch Whenever this creature deals combat damage to a player, that player discards a card and you create a tapped 2/2 black Zombie creature token.

Flash When this creature enters, draw X cards, where X is the number of creatures that died under your control this turn.

Flying When this creature enters, you may destroy target creature. Whenever a nontoken creature an opponent controls dies, create a tapped 2/2 black Zombie creature token.

When this creature enters, you may sacrifice up to three Zombies. When you sacrifice one or more Zombies this way, each opponent sacrifices that many creatures of their choice.

{T}: Each player loses 1 life for each Zombie on the battlefield.

When this creature enters, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle. When this creature dies, you may draw a card.

{T}, Sacrifice a creature: Destroy target nonblack creature.

This creature enters with a +1/+1 counter on it for each other Zombie you control and each Zombie card in your graveyard. If this creature would be dealt damage, prevent that damage and remove a +1/+1 counter from it.

Whenever this creature or another Zombie you control dies, you draw a card and you lose 1 life.

When this creature enters, amass Zombies 1. (Put a +1/+1 counter on an Army you control. It's also a Zombie. If you don't control an Army, create a 0/0 black Zombie Army creature token first.) Zombie tokens you control have deathtouch.

As an additional cost to cast this spell, sacrifice a creature. Draw two cards.

As an additional cost to cast this spell, sacrifice an artifact or creature. Draw two cards and create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

Target creature gets -1/-1 until end of turn for each Swamp you control.

Choose one — • Return target creature card from your graveyard to your hand. • Return two target creature cards that share a creature type from your graveyard to your hand.

As an additional cost to cast this spell, sacrifice an artifact or creature. You gain life equal to the sacrificed permanent's mana value. Draw two cards.

Create X 2/2 black Zombie Berserker creature tokens, where X is the number of nontoken creatures that died this turn. Foretell {B} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

Target creature gets -1/-1 until end of turn. Morbid — That creature gets -13/-13 until end of turn instead if a creature died this turn.

When Gisa and Geralf enters, mill four cards. Once during each of your turns, you may cast a Zombie creature spell from your graveyard.