({R/P} can be paid with either {R} or 2 life.)

Gain control of target creature an opponent controls until end of turn. Untap that creature. It gains haste until end of turn.

Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn. (It can attack and {T} this turn.)

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

Draw two cards.

Flying

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

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

Each player sacrifices two creatures.

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

Flying

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

Target player sacrifices a creature.

Flashback {5}{B}{B} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Lands you control have "{T}: Add one mana of any color."

{T}: Add one mana of any color.

Enchant creature

You control enchanted creature.

Counter target spell.

Target opponent sacrifices a creature, discards three cards, then loses 5 life. You return a creature card from your graveyard to your hand, draw three cards, then gain 5 life.

Each opponent sacrifices a creature or planeswalker, then discards a card. You return a creature or planeswalker card from your graveyard to your hand, then draw a card.

When you cast a Bolas planeswalker spell, exile Dark Intimations from your graveyard. That planeswalker enters the battlefield with an additional loyalty counter on it.

Whenever another creature dies, you may put a +1/+1 counter on Deathbringer Thoctar.

Remove a +1/+1 counter from Deathbringer Thoctar: It deals 1 damage to any target.

Flying

At the beginning of each combat, any opponent may sacrifice a creature. If a player does, tap Desecration Demon and put a +1/+1 counter on it.

Target player sacrifices a creature.

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.

Flash

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

When Disciple of Bolas enters the battlefield, sacrifice another creature. You gain X life and draw X cards, where X is that creature's power.

Target player gains control of up to three target nonattacking creatures until end of turn. Untap those creatures. They block this turn if able.

Flying

At the beginning of your upkeep, you may gain control of target permanent until end of turn. If you do, untap it and it gains haste until end of turn.

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

Kicker {B} (You may pay an additional {B} as you cast this spell.)

When Gatekeeper of Malakir enters the battlefield, if it was kicked, target player sacrifices a creature.

Target player sacrifices a creature and loses 1 life.

Choose one --

• Until end of turn, you gain control of target creature and it gains haste.

• Sacrifice a creature. Grab the Reins deals damage equal to that creature's power to any target.

Entwine {2}{R} (Choose both if you pay the entwine cost.)

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

Gravecrawler can't block.

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

Morph {B} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Whenever another nontoken creature you control dies, draw a card.

Strive -- This spell costs {2}{R} more to cast for each target beyond the first.

Gain control of any number of target creatures until end of turn. Untap those creatures. They gain haste until end of turn.

Flying

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

Each player sacrifices a creature.

Untap all creatures and gain control of them until end of turn. They gain haste until end of turn.

Annihilator 2 (Whenever this creature attacks, defending player sacrifices two permanents.)

Whenever an opponent sacrifices a nontoken permanent, put that card onto the battlefield under your control.

Gain control of target creature or Vehicle until end of turn. Untap it. It gains haste until end of turn.

You may cast a spell with mana value 2 or less from your hand without paying its mana cost.

Flying

When Keiga, the Tide Star dies, gain control of target creature.

For each creature, its controller sacrifices it unless they pay X life.

Gain control of target creature until end of turn. Untap that creature. It gets +2/+0 and gains haste until end of turn.

Madness {3}{R} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

For each opponent, gain control of up to one target creature that player controls until end of turn. Untap those creatures. They gain haste until end of turn.

When Merciless Executioner enters the battlefield, each player sacrifices a creature.

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.)

Choose one --

• Gain control of all creatures with power 4 or greater until end of turn. Untap those creatures. They gain haste until end of turn.

• Gain control of all creatures with power 3 or less until end of turn. Untap those creatures. They gain haste until end of turn.

Indestructible

As long as your devotion to black and red is less than seven, Mogis isn't a creature.

At the beginning of each opponent's upkeep, Mogis deals 2 damage to that player unless they sacrifice a creature.

Flying

When Mulldrifter enters the battlefield, draw two cards.

Evoke {2}{U} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters the battlefield.)

Flying

Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.)

Whenever Nefarox, Overlord of Grixis attacks alone, defending player sacrifices a creature.

Nevinyrral's Disk enters the battlefield tapped.

{1}, {T}: Destroy all artifacts, creatures, and enchantments.

+2: Target opponent exiles cards from the top of their library until they exile a nonland card. Until end of turn, you may cast that card without paying its mana cost.

+1: Each opponent exiles two cards from their hand.

-4: Nicol Bolas, God-Pharaoh deals 7 damage to target opponent, creature an opponent controls, or planeswalker an opponent controls.

-12: Exile each nonland permanent your opponents control.

Flying, trample

Whenever an opponent searches their library, that player sacrifices a creature and loses 10 life.

Whenever another creature dies, put a +1/+1 counter on Ob Nixilis, Unshackled.

Flying

{1}{R}: Olivia Voldaren deals 1 damage to another target creature. That creature becomes a Vampire in addition to its other types. Put a +1/+1 counter on Olivia Voldaren.

{3}{B}{B}: Gain control of target Vampire for as long as you control Olivia Voldaren.

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

Whenever Pawn of Ulamog or another nontoken creature you control dies, you may create a 0/1 colorless Eldrazi Spawn creature token. It has "Sacrifice this creature: Add {C}."

Sacrifice a creature: Add one mana of any color.

Trample

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

Untap target creature an opponent controls and gain control of it until end of turn. That creature gains haste until end of turn. When you lose control of the creature, tap it.

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

Untap all creatures you control and all creatures target opponent controls. You and that opponent each gain control of all creatures the other controls until end of turn. Those creatures gain haste until end of turn.

Flying

Landfall -- Whenever a land enters the battlefield under your control, you may gain control of target creature for as long as you control Roil Elemental.

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

Flying

Whenever you sacrifice a creature, target opponent sacrifices a creature.

Devoid (This card has no color.)

Whenever another nontoken creature you control dies, create a 1/1 colorless Eldrazi Scion creature token. It has "Sacrifice this creature: Add {C}." ({C} represents colorless mana.)

Gain control of target creature. Untap that creature. It gains haste until end of turn. Sacrifice it at the beginning of the next end step.

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

Cast this spell only during combat.

Untap target creature you don't control and gain control of it. It gains haste until end of turn. At the beginning of the next end step, sacrifice it. If you do, you gain life equal to its toughness.

Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.)

Until end of turn, creatures target player controls lose all abilities and have base power and toughness 0/2.

Destroy target creature. It can't be regenerated.

Haste

Whenever Thraximundar attacks, defending player sacrifices a creature.

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

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

Thud deals damage equal to the sacrificed creature's power to any target.

Repeat the following process X times. Each opponent loses 3 life unless that player sacrifices a nonland permanent or discards a card.

Enchant player

At the beginning of enchanted player's upkeep, that player loses 3 life unless they sacrifice a nonland permanent or discard a card.

Gain control of target creature until end of turn. Untap that creature. Until end of turn, it gets +2/+0 and gains haste.

Target opponent reveals their hand. You may put a creature card from it onto the battlefield under your control. That creature gains haste. Sacrifice it at the beginning of the next end step.

Destroy target artifact you don't control.

Overload {4}{R} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

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

Sacrifice a creature: Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.)

Each opponent sacrifices a creature. If you have the city's blessing, instead each opponent sacrifices half the creatures they control, rounded up.

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