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

{T}, Sacrifice Conjurer's Bauble: Put up to one target card from your graveyard on the bottom of your library. Draw a card.

{T}: Add {C}. {1}, {T}: Add one mana of any color.

{T}: Add {B} or {R}. {B}{R}, {T}, Sacrifice Rakdos Cluestone: Draw a card.

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

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

Star Compass enters the battlefield tapped. {T}: Add one mana of any color that a basic land you control could produce.

{T}: Put target permanent you own on the bottom of your library.

This spell costs {2} less to cast for each creature card in your graveyard. Whenever a creature you control dies, put it on the bottom of its owner's library. {2}{B}, {T}, Pay 2 life: Return target creature card from your graveyard to the battlefield. Activate only as a sorcery.

When Vessel of Endless Rest enters the battlefield, put target card from a graveyard on the bottom of its owner's library. {T}: Add one mana of any color.

When Anarchist enters the battlefield, you may return target sorcery card from your graveyard to your hand.

At the beginning of combat on your turn, you may discard a card. If you do, choose a creature. Whenever that creature deals combat damage to a player this turn, you draw two cards.

All Slivers have "Sacrifice this permanent: Add {B}{B}."

{T}, Sacrifice Basal Thrull: Add {B}{B}.

Sacrifice Blood Pet: Add {B}.

Sacrifice Blood Vassal: Add {B}{B}.

When Entomber Exarch enters the battlefield, choose one — • Return target creature card from your graveyard to your hand. • Target opponent reveals their hand. You choose a noncreature card from it. That player discards that card.

Haste {T}: Create a token that's a copy of target nonlegendary creature you control, except it has haste. Sacrifice it at the beginning of the next end step.

As Metallic Mimic enters the battlefield, choose a creature type. Metallic Mimic is the chosen type in addition to its other types. Each other creature you control of the chosen type enters the battlefield with an additional +1/+1 counter on it.

Whenever your opponents are dealt combat damage, if any of that damage was dealt by a Warrior, you draw a card and you lose 1 life.

{1}{B}, Sacrifice Moriok Replica: You draw two cards and you lose 2 life.

When Murderous Redcap enters the battlefield, it deals damage equal to its power to any target. Persist (When this creature 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.)

First strike When Nekrataal enters the battlefield, destroy target nonartifact, nonblack creature. That creature can't be regenerated.

Noosegraf Mob enters the battlefield with five +1/+1 counters on it. Whenever a player casts a spell, remove a +1/+1 counter from Noosegraf Mob. If you do, create a 2/2 black Zombie creature token.

Discard a card, Sacrifice Overeager Apprentice: Add {B}{B}{B}.

When Phyrexian Rager enters the battlefield, you draw a card and you lose 1 life.

When Priest of Gix enters the battlefield, add {B}{B}{B}.

When Priest of the Blood Rite enters the battlefield, create a 5/5 black Demon creature token with flying. At the beginning of your upkeep, you lose 2 life.

When Priest of Urabrask enters the battlefield, add {R}{R}{R}.

When Ravenous Chupacabra enters the battlefield, destroy target creature an opponent controls.

Sacrifice a Goblin: Add {R}.

Dethrone (Whenever this creature attacks the player with the most life or tied for most life, put a +1/+1 counter on it.) Pay 3 life: Add {R}.

Flying Exploit (When this creature enters the battlefield, you may sacrifice a creature.) When Vulturous Aven exploits a creature, you draw two cards and you lose 2 life.

Workhorse enters the battlefield with four +1/+1 counters on it. Remove a +1/+1 counter from Workhorse: Add {C}.

Add {B}{B}{B}.

Undergrowth — Search your library for a black card with mana value less than or equal to the number of creature cards in your graveyard, reveal it, put it into your hand, then shuffle.

Destroy target creature.

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.) Destroy target creature.

This spell costs {2} less to cast if it targets a legendary creature. Destroy target creature. Surveil 2. (Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)

Choose one — • Counter target spell if it's blue. • Destroy target permanent if it's blue.

Choose one — • Exile target player's graveyard. • Destroy target artifact. • Each creature deals 1 damage to its controller.

As an additional cost to cast this spell, exile X cards from your graveyard. You draw X cards and you lose X life.

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.

{T}: Add {C}. {T}, Sacrifice Crystal Vein: Add {C}{C}.

Dwarven Ruins enters the battlefield tapped. {T}: Add {R}. {T}, Sacrifice Dwarven Ruins: Add {R}{R}.

Ebon Stronghold enters the battlefield tapped. {T}: Add {B}. {T}, Sacrifice Ebon Stronghold: Add {B}{B}.

({T}: Add {R}.)

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}.

Until end of turn, whenever a player taps a Swamp for mana, that player adds an additional {B}.

Destroy X target artifacts.

As an additional cost to cast this spell, discard two cards. Draw three cards.

Search your library for a card, put that card into your hand, then shuffle.

Search your library and graveyard for five cards and exile the rest. Put the chosen cards on top of your library in any order. You lose half your life, rounded up.

Draw two cards, then discard two cards. Flashback {2}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Search your library for two cards. Put one into your hand and the other into your graveyard. Then shuffle.

Search your library for a card, put that card into your hand, then shuffle. You lose 3 life.

All creatures get -4/-4 until end of turn.

As an additional cost to cast this spell, discard a land card. Draw two cards.

Mizzium Mortars deals 4 damage to target creature you don't control. Overload {3}{R}{R}{R} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

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

Target sorcery card in your graveyard gains flashback until end of turn. The flashback cost is equal to its mana cost. (Mana cost includes color.) Flashback {3}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Target player draws two cards and loses 2 life.

Each other player discards a card. You draw a card for each card discarded this way.

As an additional cost to cast this spell, discard a card. Draw two cards.