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

Destroy target permanent an opponent controls. Its controller may search their library for a basic land card, put it onto the battlefield, then shuffle.

At the beginning of your upkeep, you may create a 0/1 colorless Eldrazi Spawn creature token. It has "Sacrifice this creature: Add {C}."

Whenever Ayara, First of Locthwain or another black creature enters the battlefield under your control, each opponent loses 1 life and you gain 1 life.

{T}, Sacrifice another black creature: Draw a card.

Destroy target permanent. Its controller creates a 3/3 green Beast creature token.

Destroy target artifact, creature, or planeswalker.

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

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.

{T}: Add {C}.

{3}{G}, {T}, Sacrifice Blighted Woodland: Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

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.

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

Will of the council -- At the beginning of your upkeep, starting with you, each player votes for carnage or homage. If carnage gets more votes, sacrifice Coercive Portal and destroy all nonland permanents. If homage gets more votes or the vote is tied, draw a card.

You may play lands from your graveyard.

Destroy all creatures. They can't be regenerated.

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.

Flying

At the beginning of each upkeep, create a 1/1 red and green Dragon creature token with flying and devour 2. (As the token enters the battlefield, you may sacrifice any number of creatures. It enters the battlefield with twice that many +1/+1 counters on it.)

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.

Elvish Reclaimer gets +2/+2 as long as there are three or more land cards in your graveyard.

{2}, {T}, Sacrifice a land: Search your library for a land card, put it onto the battlefield tapped, then shuffle.

Whenever you cast a creature spell, create X 1/1 black Thrull creature tokens, where X is that spell's mana value.

When you control seven or more Thrulls, sacrifice Endrek Sahr, Master Breeder.

Return X target creature cards from your graveyard to the battlefield.

Miracle {X}{B}{B} (You may cast this card for its miracle cost when you draw it if it's the first card you drew this turn.)

{2}, {T}, Sacrifice Expedition Map: Search your library for a land card, reveal it, put it into your hand, then shuffle.

Flying

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

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

Devoid (This card has no color.)

At the beginning of your upkeep, create a 1/1 colorless Eldrazi Scion creature token. It has "Sacrifice this creature: Add {C}."

{1}{G}, Sacrifice From Beyond: Search your library for an Eldrazi card, reveal it, put it into your hand, then shuffle.

0: Create two 2/2 black and green Wolf creature tokens with "When this creature dies, put a loyalty counter on each Garruk you control."

-3: Destroy target creature. Draw a card.

-6: You get an emblem with "Creatures you control get +3/+3 and have trample."

Menace

When God-Eternal Bontu enters the battlefield, sacrifice any number of other permanents, then draw that many cards.

When God-Eternal Bontu dies or is put into exile from the battlefield, you may put it into its owner's library third from the top.

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

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

Search your library for up to two basic land cards, put them onto the battlefield, then shuffle.

Deathtouch

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

Destroy target creature or planeswalker.

{T}: Add {C}.

{T}, Sacrifice a creature: You gain 1 life.

{T}: Add {C}.

{1}{R}, {T}: Create a 0/1 red Kobold creature token named Kobolds of Kher Keep.

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

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

Flying

Whenever Korvold, Fae-Cursed King enters the battlefield or attacks, sacrifice another permanent.

Whenever you sacrifice a permanent, put a +1/+1 counter on Korvold and draw a card.

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

Destroy target artifact or enchantment.

Whenever a creature you control dies, draw a card.

+1: Create a 2/2 black Zombie creature token.

-4: Each player sacrifices two creatures.

-9: Each opponent chooses a permanent they control of each permanent type and sacrifices the rest.

Hexproof

Lotus Field enters the battlefield tapped.

When Lotus Field enters the battlefield, sacrifice two lands.

{T}: Add three mana of any one color.

If Lotus Vale would enter the battlefield, sacrifice two untapped lands instead. If you do, put Lotus Vale onto the battlefield. If you don't, put it into its owner's graveyard.

{T}: Add three mana of any one color.

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

Flying

Whenever a player sacrifices another permanent, put a +1/+1 counter on each creature you control.

Memorial to Folly enters the battlefield tapped.

{T}: Add {B}.

{2}{B}, {T}, Sacrifice Memorial to Folly: Return target creature card from your graveyard to your hand.

Whenever a nontoken creature you control dies, Midnight Reaper deals 1 damage to you and you draw a card.

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.)

Whenever a creature you control dies, you gain 1 life and draw a card.

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

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

Put target card from a graveyard on top of its owner's library.

{4}, {T}: Put a fate counter on target permanent.

{5}, {T}, Sacrifice Oblivion Stone: Destroy each nonland permanent without a fate counter on it, then remove all fate counters from all permanents.

({T}: Add {B} or {G}.)

As Overgrown Tomb enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

{5}, {T}, Exile Perilous Vault: Exile all nonland permanents.

{X}, Sacrifice Pernicious Deed: Destroy each artifact, creature, and enchantment with mana value X or less.

{1}{B}, Pay 2 life: Return target creature card from your graveyard to your hand.

{T}: Add {C}.

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

Reach (This creature can block creatures with flying.)

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)

Whenever another creature dies, each opponent loses 1 life.

Destroy target artifact or creature. It can't be regenerated.

You may play lands from your graveyard.

Flying, trample

Pay 2 life, Sacrifice another creature: Search your library for a card, put that card into your hand, then shuffle.

Put target creature card from a graveyard onto the battlefield under your control. You lose life equal to its mana value.

You have no maximum hand size.

{T}: Add {C}.

Sacrifice Sakura-Tribe Elder: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Whenever you sacrifice a black creature, you may pay 2 life. If you do, each other player sacrifices a creature.

Whenever you sacrifice a green creature, you may gain 2 life.

Landfall -- Whenever a land enters the battlefield under your control, create a 1/1 green Insect creature token. If you control six or more lands, create a token that's a copy of Scute Swarm instead.

Return any number of cards with different mana values from your graveyard to your hand. Put Seasons Past on the bottom of its owner's library.

When Seedguide Ash dies, you may search your library for up to three Forest cards, put them onto the battlefield tapped, then shuffle.

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)

At the beginning of your upkeep, return target creature card from your graveyard to the battlefield.

At the beginning of each opponent's upkeep, that player sacrifices a creature.

Devoid (This card has no color.)

Flying

At the beginning of your upkeep, sacrifice a creature.

Whenever you sacrifice a creature, draw a card.

When Springbloom Druid enters the battlefield, you may sacrifice a land. If you do, search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

{T}: Add {C}.

{T}, Sacrifice Strip Mine: Destroy target land.

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

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

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.)

{T}: Add {C}.

{1}{B}, {T}: Put target creature card from your graveyard on top of your library.

Exile target creature or planeswalker. You gain 2 life.

+2: You may sacrifice another permanent. If you do, you gain 1 life and draw a card.

-3: Destroy target nonland permanent with mana value 3 or less.

-9: You get an emblem with "Whenever a creature you control deals combat damage to a player, that player loses the game."

{2}, {T}, Sacrifice Wayfarer's Bauble: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

{T}: Add {C}.

{5}, {T}, Pay 1 life: Create a 1/1 white and black Human Cleric creature token.

{5}, {T}, Sacrifice five creatures: Transform Westvale Abbey, then untap it.

Flying, lifelink, indestructible, haste

Haste

Whenever a creature an opponent controls dies, put a +1/+1 counter on Yahenni, Undying Partisan.

Sacrifice another creature: Yahenni gains indestructible until end of turn.

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