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

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

{T}: Add one mana of any color. {2}, {T}, Sacrifice Letter of Acceptance: Draw a card.

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

{T}: Add one mana of any color. At the beginning of your upkeep, put a night counter on Replicating Ring. Then if it has eight or more night counters on it, remove all of them and create eight colorless snow artifact tokens named Replicated Ring with "{T}: Add one mana of any color."

{T}: Add {C}{C}.

Whenever you cast a black spell or a Swamp enters the battlefield under your control, you gain 1 life.

Menace, indestructible Bontu the Glorified can't attack or block unless a creature died under your control this turn. {1}{B}, Sacrifice another creature: Scry 1. Each opponent loses 1 life and you gain 1 life.

Whenever you attack, you may discard a card. When you do, put a +1/+1 counter on target attacking creature. It gains trample until end of turn. Whenever you discard one or more cards, exile the top card of your library. You may play that card until your next end step.

When Bastion of Remembrance enters the battlefield, create a 1/1 white Human Soldier creature token. Whenever a creature you control dies, each opponent loses 1 life and you gain 1 life.

At the beginning of your end step, if you descended this turn, put a +1/+1 counter on target creature you control. (You descended if a permanent card was put into your graveyard from anywhere.) {5}{B}{B}, Sacrifice Canonized in Blood: Create a 4/3 white and black Vampire Demon creature token with flying.

Flash Whenever a creature you control dies, each opponent sacrifices a creature.

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

({T}: Add {R}.)

Rakdos Guildgate enters the battlefield tapped. {T}: Add {B} or {R}.

({T}: Add {B}.)

{1}{B}, Sacrifice an artifact or creature: Draw a card.

Devoid (This card has no color.) Flying At the beginning of your upkeep, sacrifice a creature. Whenever you sacrifice a creature, draw a card.

Whenever a creature with power equal to its toughness enters the battlefield under your control, you may pay {1}. If you do, draw a card.

{2}, Sacrifice a creature: Draw a card.

{1}{B}, Sacrifice a creature: You gain 1 life and draw a card.

Flying When Abhorrent Overlord enters the battlefield, create a number of 1/1 black Harpy creature tokens with flying equal to your devotion to black. (Each {B} in the mana costs of permanents you control counts toward your devotion to black.) At the beginning of your upkeep, sacrifice a creature.

Flying, haste Whenever Bladewing, Deathless Tyrant deals combat damage to a player or planeswalker, for each creature card in your graveyard, create a 2/2 black Zombie Knight creature token with menace.

Flying Whenever Butcher of Malakir or another creature you control dies, each opponent sacrifices a creature.

All Nightmares get +1/+1. {B}{B}{B}, Pay 3 life: Put target creature card from a graveyard onto the battlefield under your control. That creature is black and is a Nightmare in addition to its other creature types. When Chainer, Dementia Master leaves the battlefield, exile all Nightmares.

{3}{B}{B}, {T}, Sacrifice X other creatures: Return X target creature cards from your graveyard to the battlefield. {5}{B}{B}: Put Champion of Stray Souls on top of your library from your graveyard.

Whenever Etali, Primal Storm attacks, exile the top card of each player's library, then you may cast any number of spells from among those cards without paying their mana costs.

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

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

Annihilator 3 (Whenever this creature attacks, defending player sacrifices three permanents.) Pathrazer of Ulamog can't be blocked except by three or more creatures.

When Phyrexian Triniform dies, create three 3/3 colorless Phyrexian Golem artifact creature tokens. Encore {12} ({12}, Exile this card from your graveyard: For each opponent, create a token copy that attacks that opponent this turn if able. They gain haste. Sacrifice them at the beginning of the next end step. Activate only as a sorcery.)

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.

This spell costs {1} less to cast for each permanent sacrificed this turn. Haste The Balrog, Durin's Bane can't be blocked except by legendary creatures. When The Balrog dies, destroy target artifact or creature an opponent controls.

Add {B}{B}{B}.

Until end of turn, target creature gets +2/+0 and gains "When this creature dies or is put into exile from the battlefield, return it to its owner's hand."

Eternal Taskmaster enters the battlefield tapped. Whenever Eternal Taskmaster attacks, you may pay {2}{B}. If you do, return target creature card from your graveyard to your hand.

Flash Enchant creature Enchanted creature gets +2/+0. When enchanted creature dies, return it to the battlefield tapped under its owner's control.

Flash Enchant creature When enchanted creature dies, return that card to the battlefield under your control.

Enchant creature you control Enchanted creature has toxic 2. (Players dealt combat damage by it also get two poison counters.) When enchanted creature dies, return that card to the battlefield under your control.

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

As an additional cost to cast this spell, pay {4} or sacrifice an artifact or creature. Destroy target creature or planeswalker.

This spell costs {X} less to cast, where X is your devotion to black. (Each {B} in the mana costs of permanents you control counts toward your devotion to black.) Destroy target creature.

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

Destroy target nonartifact creature.

Tendrils of Corruption deals X damage to target creature and you gain X life, where X is the number of Swamps you control.

When Carrier Thrall dies, create a 1/1 colorless Eldrazi Scion creature token. It has "Sacrifice this creature: Add {C}."

Cult Conscript enters the battlefield tapped. {1}{B}: Return Cult Conscript from your graveyard to the battlefield. Activate only if a non-Skeleton creature died under your control this turn.

When Doomed Dissenter dies, create a 2/2 black Zombie creature token.

{1}{B}: Return Reassembling Skeleton from your graveyard to the battlefield tapped.

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

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.

At the beginning of combat on your turn, create a 2/1 red Elemental creature token with trample and haste. Sacrifice it at the beginning of the next end step. {T}: Search your library for a card, put it into your hand, then shuffle. Activate only if five or more creatures died this turn.

Haste {R}, {T}: Create a 3/1 red Elemental creature token with haste.

Destroy all creatures. Each player loses life equal to the number of creatures they controlled that were destroyed this way.