{T}: Add one mana of any color in your commander's color identity.

Sacrifice a creature: Add {C}{C}.

Black creature spells you cast cost {1} less to cast. Whenever you cast a creature spell, each opponent loses 1 life and you gain 1 life.

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

{T}: Add {C}. {1}, {T}, Sacrifice Mind Stone: Draw a card.

{T}: Mill two cards. {2}, Exile Perpetual Timepiece: Shuffle any number of target cards from your graveyard into your library.

Whenever Archghoul of Thraben 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.

Carrion Feeder can't block. Sacrifice a creature: Put a +1/+1 counter on Carrion Feeder.

Whenever another Zombie enters the battlefield under your control, put a +1/+1 counter on Champion of the Perished.

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

{1}{B}, {T}, Discard a card: Create a 2/2 black Zombie creature token. Tap three untapped Zombies you control: You draw a card and you lose 1 life.

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

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

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 Fleshbag Marauder enters the battlefield, each player sacrifices a creature.

Whenever another creature you control dies, put a +1/+1 counter on Gavony Unhallowed.

Cycling {B}{B} ({B}{B}, Discard this card: Draw a card.) When you cycle Gempalm Polluter, 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.

When Gleaming Overseer enters the battlefield, 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.

Gravecrawler can't block. You may cast Gravecrawler from your graveyard as long as you control a Zombie.

When Gray Merchant of Asphodel enters the battlefield, 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.)

{1}: You may cast target creature card in a graveyard this turn. When you cast it this turn, Havengul Lich gains all activated abilities of that card until end of turn.

Whenever Headless Rider or another nontoken Zombie you control dies, create a 2/2 black Zombie creature token.

{U}{B}, {T}: Create a 1/1 blue and black Zombie Wizard creature token. {U}{U}{B}{B}: Target player loses X life and mills X cards, where X is the number of Zombies you control.

Menace Lieutenant — At the beginning of combat on your turn, if you control your commander, each opponent loses 3 life.

Flying Whenever you create or sacrifice a token, each opponent loses 1 life.

Whenever Noxious Ghoul or another Zombie enters the battlefield, all non-Zombie creatures get -1/-1 until end of turn.

Menace When Plague Belcher enters the battlefield, put two -1/-1 counters on target creature you control. Whenever another Zombie you control dies, each opponent loses 1 life.

Menace (This creature can't be blocked except by two or more creatures.) When Relentless Dead dies, you may pay {B}. If you do, return it to its owner's hand. When Relentless Dead dies, you may pay {X}. If you do, return another target Zombie creature card with mana value X from your graveyard to the battlefield.

When Shambling Ghast dies, choose one — • Brave the Stench — Target creature an opponent controls gets -1/-1 until end of turn. • Search the Body — Create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

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

When Tattered Mummy dies, each opponent loses 2 life.

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

Whenever Vengeful Dead or another Zombie dies, each opponent loses 1 life.

Deathtouch When Vile Entomber enters the battlefield, search your library for a card, put that card into your graveyard, then shuffle.

Whenever a creature dies, put a charge counter on Black Market. At the beginning of your precombat main phase, add {B} for each charge counter on Black Market.

Enchant creature When enchanted creature dies, draw three cards, then discard one of them.

Enchant player Whenever enchanted player is attacked, create a 2/2 black Zombie creature token. Each opponent attacking that player does the same.

Enchant player Whenever a land enters the battlefield under enchanted player's control, you 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 upkeep, create X 2/2 black Zombie creature tokens, where X is half the number of Zombies you control, rounded down.

Whenever a creature you control dies, each other player sacrifices a creature.

Whenever a nontoken Zombie enters the battlefield under your control, create a token that's a copy of that creature.

{1}{B}, Discard a creature card: Draw a card. If the discarded card was a Zombie card, create a tapped 2/2 black Zombie creature token.

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

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

Put any number of target creature cards from your graveyard on top of your library. Draw a card at the beginning of the next turn's upkeep.

Add {B}{B}{B}. Threshold — Add {B}{B}{B}{B}{B} instead if seven or more cards are in your graveyard.

Destroy target nonlegendary creature.

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

Counter target spell.

Add {B}{B}{B}.

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 artifact: Add one mana of any color.")

If it's not your turn, you may exile a black card from your hand rather than pay this spell's mana cost. Destroy all creatures that entered the battlefield this turn.

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.) You and permanents you control gain hexproof until end of turn. (You and they can't be the targets of spells or abilities your opponents control.)

Counter target noncreature spell.

Surveil 3. (Look at the top three cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.) Flashback {1}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

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.

Barren Moor enters the battlefield tapped. {T}: Add {B}. Cycling {B} ({B}, Discard this card: Draw a card.)

{T}: Add one mana of any color in your commander's color identity.

({T}: Add {U} or {B}.) Fetid Pools enters the battlefield tapped. Cycling {2} ({2}, Discard this card: Draw a card.)

Halimar Depths enters the battlefield tapped. When Halimar Depths enters the battlefield, look at the top three cards of your library, then put them back in any order. {T}: Add {U}.

({T}: Add {U}.)

Lonely Sandbar enters the battlefield tapped. {T}: Add {U}. Cycling {U} ({U}, Discard this card: Draw a card.)

Mortuary Mire enters the battlefield tapped. When Mortuary Mire enters the battlefield, you may put target creature card from your graveyard on top of your library. {T}: Add {B}.

Myriad Landscape enters the battlefield tapped. {T}: Add {C}. {2}, {T}, Sacrifice Myriad Landscape: Search your library for up to two basic land cards that share a land type, put them onto the battlefield tapped, then shuffle.

Submerged Boneyard enters the battlefield tapped. {T}: Add {U} or {B}.

({T}: Add {U} or {B}.) Sunken Hollow enters the battlefield tapped unless you control two or more basic lands.

({T}: Add {B}.)

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 two creatures. Draw three cards.

As an additional cost to cast this spell, sacrifice a creature or discard a card. Destroy target creature or planeswalker.

Draw a card for each tapped creature target opponent controls.

Return target creature card from your graveyard to your hand. If it's a Zombie card, draw a card.

As an additional cost to cast this spell, sacrifice a creature. Search your library for a card, put that card into your hand, then shuffle.

Return target 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.)

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.

Return target creature card from your graveyard to your hand.

Scry 2, then draw two cards. You lose 2 life.

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

Decayed (This creature can't block. When it attacks, sacrifice it at end of combat.)