Whenever a player casts a creature spell, that player sacrifices a permanent unless they pay {1}.

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

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

When Bilbo, Retired Burglar enters or leaves the battlefield, the Ring tempts you.

Whenever Bilbo deals combat damage to a player, create a Treasure token.

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.

At the beginning of your precombat main phase, choose one or more --

• Sell Contraband -- Create a Treasure token. You lose 1 life.

• Buy Information -- Draw a card. You lose 2 life.

• Hire a Mercenary -- Create a 3/2 colorless Shapeshifter creature token with changeling. You lose 3 life. (It has every creature type.)

This spell costs {1} less to cast for each creature on the battlefield.

Blasphemous Act deals 13 damage to each creature.

Whenever Blood Artist or another creature dies, target player loses 1 life and you gain 1 life.

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

Destroy target creature.

At the beginning of your end step, you may sacrifice an artifact, creature, enchantment, land, or planeswalker. If you do, each opponent may sacrifice a permanent that shares a card type with it. For each opponent who doesn't, that player loses 2 life and you draw a card.

{2}, {T}: Add {B} for each Swamp you control.

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

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

{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.

When Crosis's Catacombs enters the battlefield, sacrifice it unless you return a non-Lair land you control to its owner's hand.

{T}: Add {U}, {B}, or {R}.

{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.)

Crumbling Necropolis enters the battlefield tapped.

{T}: Add {U}, {B}, or {R}.

When Crypt of the Eternals enters the battlefield, you gain 1 life.

{T}: Add {C}.

{1}, {T}: Add {U}, {B}, or {R}.

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

Add {B}{B}{B}{B}.

Parley -- Whenever Cutthroat Negotiator attacks, each player reveals the top card of their library. For each nonland card revealed this way, you create a tapped Treasure token. Then each player draws a card.

Destroy all creatures. They can't be regenerated.

Add {B}{B}{B}.

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.

Dragonskull Summit enters the battlefield tapped unless you control a Swamp or a Mountain.

{T}: Add {B} or {R}.

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.

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.

Flying

Whenever Falkenrath Noble or another creature dies, target player loses 1 life and you gain 1 life.

{T}: Add one mana of any color that a land an opponent controls could produce.

Whenever another creature you control dies, draw a card if it was attacking. Otherwise, Garna, Bloodfist of Keld deals 1 damage to each opponent.

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.

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

For each player, choose a creature card in that player's graveyard. Put those cards onto the battlefield under your control. They're black Zombies in addition to their other colors and types and they gain decayed. (A creature with decayed can't block. When it attacks, sacrifice it at end of combat.)

When Gisa and Geralf enters the battlefield, mill four cards.

Once during each of your turns, you may cast a Zombie creature spell from your graveyard.

Sacrifice a creature: Goblin Bombardment deals 1 damage to any target.

Zombies you control have menace. (They can't be blocked except by two or more creatures.)

{3}{B}, Exile a creature card from your graveyard: Create a 2/2 black Zombie creature token.

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

Deathtouch

Whenever Grave Titan enters the battlefield or attacks, create two 2/2 black Zombie creature tokens.

Gravecrawler can't block.

You may cast Gravecrawler from your graveyard as long as you control a Zombie.

{T}: Add {C}.

{B/R}, {T}: Add {B}{B}, {B}{R}, or {R}{R}.

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.)

Whenever one or more creatures you control deal combat damage to a player, create two Treasure tokens.

{B}, Sacrifice X Treasures: Target creature gets -X/-X until end of turn. Activate only as a sorcery.

Grimgrin, Corpse-Born enters the battlefield 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.

Flying

At the beginning of your upkeep, draw a card unless target opponent sacrifices a creature or pays 3 life.

Lifelink

If a nontoken creature an opponent controls would die, instead exile that card and create a 2/2 black Zombie creature token.

{2}{B}, Sacrifice another Vampire or Zombie: Put two +1/+1 counters on Kalitas, Traitor of Ghet.

Whenever a player sacrifices a permanent, Mayhem Devil deals 1 damage to any target.

Intimidate (This creature can't be blocked except by artifact creatures and/or creatures that share a color with it.)

Whenever a Human deals damage to you, destroy it.

Other non-Human creatures you control get +1/+1 and have undying. (When a creature with undying 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.)

Skip your draw step.

Whenever you discard a card, exile that card from your graveyard.

Pay 1 life: Exile the top card of your library face down. Put that card into your hand at the beginning of your next end step.

{T}: Add {C}.

{2}, {T}: Choose a color. Add an amount of mana of that color equal to your devotion to that color. (Your devotion to a color is the number of mana symbols of that color in the mana costs of permanents you control.)

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

Sacrifice a creature: Add one mana of any color.

At the beginning of your upkeep, you draw a card and you lose 1 life.

Trample

Whenever a source deals damage to Phyrexian Obliterator, that source's controller sacrifices that many permanents.

{T}: Add {C}.

{T}, Sacrifice a creature: Add {B}{B}.

Whenever a creature enters the battlefield, if it entered from your graveyard or you cast it from your graveyard, return Prized Amalgam from your graveyard to the battlefield tapped at the beginning of the next end step.

Menace

Whenever one or more creatures you control deal combat damage to a player, create a Treasure token.

Sacrifice a Treasure: Exile the top card of your library. You may play that card this turn.

Rakdos Carnarium enters the battlefield tapped.

When Rakdos Carnarium enters the battlefield, return a land you control to its owner's hand.

{T}: Add {B}{R}.

Flying, trample

At the beginning of your end step, target opponent may sacrifice two nonland, nontoken permanents. If they don't, you draw two cards.

Whenever a creature an opponent controls dies, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

At the beginning of your upkeep, if you control ten or more Treasures, you win the game.

{T}: Add {U}.

{T}: Add {R}.

You may pay {0} rather than pay the mana cost for Zombie creature spells you cast.

As long as it's your turn, Spiteful Prankster has first strike.

Whenever another creature dies, Spiteful Prankster deals 1 damage to target player or planeswalker.

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

{T}: Add {C}.

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

{T}: Add {C}.

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

At the beginning of your upkeep, each opponent may create a Treasure token. For each opponent who does, you create a Treasure token.

At the beginning of your upkeep, each opponent loses X life and you scry X, where X is the number of Zombies you control.

{2}{U}{B}: Exile target creature card from a graveyard. Create a token that's a copy of it, except it's a 4/4 black Zombie.

When The Scarab God dies, return it to its owner's hand at the beginning of the next end step.

Haste

Whenever Thraximundar attacks, defending player sacrifices a creature.

Whenever a player sacrifices a creature, you may put a +1/+1 counter on Thraximundar.

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.

Training Center enters the battlefield tapped unless you have two or more opponents.

{T}: Add {U} or {R}.

Each land is a Swamp in addition to its other land types.

Flying

Ward--Sacrifice a creature.

Whenever a creature dies, target opponent loses 2 life and you gain 2 life.

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

({T}: Add {U}, {B}, or {R}.)

Xander's Lounge enters the battlefield tapped.

Cycling {3} ({3}, Discard this card: Draw a card.)

Whenever Zulaport Cutthroat or another creature you control dies, each opponent loses 1 life and you gain 1 life.