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

Flying At the beginning of each opponent's end step, that player chooses up to two creatures they control, then sacrifices the rest.

Flying Whenever this creature or another creature you control dies, each opponent sacrifices a creature of their choice.

Target player sacrifices a creature of their choice. Flashback {5}{B}{B} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Gift a card (You may promise an opponent a gift as you cast this spell. If you do, they draw a card before its other effects.) Target opponent sacrifices a creature with the greatest power among creatures they control. If the gift was promised, return target creature card from your graveyard to your hand.

Target player sacrifices a creature of their choice. You gain life equal to that creature's toughness. Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)

Target player sacrifices half the permanents they control of their choice, rounded down. Suspend 2—{2}{B}{B} (Rather than cast this card from your hand, you may pay {2}{B}{B} and exile it with two time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost.) At the beginning of each player's upkeep, if this card is suspended, that player may sacrifice a permanent of their choice. If the player does, put two time counters on this card.

Each player sacrifices a nontoken creature of their choice. Roll a d20 and add the toughness of the creature you sacrificed this way. 1—14 | Return a creature card put into a graveyard this way to the battlefield under your control. 15+ | Return up to two creature cards put into graveyards this way to the battlefield under your control.

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

As an additional cost to cast this spell, you may collect evidence 6. (Exile cards with total mana value 6 or greater from your graveyard.) Each opponent sacrifices a creature of their choice. If evidence was collected, instead each opponent sacrifices a creature with the greatest power among creatures they control.

You may sacrifice a nontoken black creature rather than pay this spell's mana cost. Each opponent sacrifices a creature or planeswalker with the greatest mana value among creatures and planeswalkers they control.

Choose two — • Put two +1/+1 counters on up to one creature. It gains lifelink until end of turn. • Destroy each creature with power 2 or less. • Return up to two creature cards from your graveyard to your hand. • Each opponent sacrifices a creature with the highest power among creatures they control.

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

Until end of turn, permanents your opponents control gain "When this permanent deals damage to the player who cast Hellish Rebuke, sacrifice this permanent. You lose 2 life."

Choose two target creatures controlled by the same player. That player sacrifices one of them of their choice.

Each player sacrifices a creature of their choice.

Each opponent sacrifices a creature of their choice. If you control a Liliana planeswalker, each opponent also discards a card.

Each opponent sacrifices a creature or enchantment of their choice.

Roll a d20. 1—9 | Choose an opponent. That player sacrifices a creature of their choice. 10—19 | Each opponent sacrifices a creature of their choice. 20 | Each opponent sacrifices a creature with the greatest power among creatures that player controls.

Target opponent chooses a number. You may have that player lose that much life. If you don't, that player sacrifices all but that many permanents of their choice.

Annihilator 2 (Whenever this creature attacks, defending player sacrifices two permanents of their choice.) Whenever an opponent sacrifices a nontoken permanent, put that card onto the battlefield under your control.

Choose one or more — • Each player discards two cards. • Each player loses 4 life. • Each player sacrifices two creatures of their choice.

Until end of turn, target creature gets +2/+0 and gains "When this creature dies, return it to the battlefield tapped under its owner's control."

Until end of turn, target creature gets +2/+0 and gains "When this creature dies, return it to the battlefield under its owner's control."

Until end of turn, target creature gains "When this creature dies, return it to the battlefield tapped under its owner's control with a +1/+1 counter on it."

Equipped creature has haste and shroud. (It can't be the target of spells or abilities.) Equip {0}

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control. It can attack and {T} no matter when it came under your control.) Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

Flying Whenever this creature enters or attacks, target opponent sacrifices a creature or planeswalker of their choice, discards a card, and loses 3 life. You draw a card and gain 3 life.

Whenever Ayara or another black creature you control enters, each opponent loses 1 life and you gain 1 life. {T}, Sacrifice another black creature: Draw a card.

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

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 of their choice that shares a card type with it. For each opponent who doesn't, that player loses 2 life and you draw a card.

{1}, {T}, Sacrifice another creature: You gain life equal to the sacrificed creature's toughness. Draw a card.

Whenever a Swamp you control enters, choose one — • You draw a card and you lose 1 life. • This creature deals 2 damage to any target and you gain 2 life.

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

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.

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

Extort (Whenever you cast a spell, you may pay {W/B}. If you do, each opponent loses 1 life and you gain that much life.) Whenever you tap a Swamp for mana, add an additional {B}.

Add {B}{B}{B}.

Black spells you cast cost {1} less to cast.

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

{T}: Add {C}. {1}, {T}, Sacrifice this artifact: Draw a card.

This land enters tapped. {T}: Add {B}. Cycling {B} ({B}, Discard this card: Draw a card.)

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

{T}: Add {C}. {3}, {T}: Add {B} for each basic Swamp you control.

This land enters tapped unless you control a Swamp. {T}: Add {B}. {1}{B}{B}, {T}: Draw a card, then you lose life equal to the number of cards in your hand.

{B}, {T}, Sacrifice this creature: Return target creature card from your graveyard to the battlefield. That creature gains haste. At the beginning of the next end step, sacrifice it.

Undying (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.)

At the beginning of your upkeep, you lose 1 life and create a 1/1 black Faerie Rogue creature token with flying.

Equipped creature gets +1/+0. Whenever equipped creature attacks, create a 1/1 white Kor Ally creature token that's tapped and attacking. Equip {1}

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

When this creature enters, create a number of 1/1 black Rat creature tokens equal to the number of opponents you have. {1}{B}, Sacrifice a creature: Target creature gets -2/-2 until end of turn.

When this creature dies, create a 0/1 white Goat creature token.

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