When Cartographer's Companion enters, create a Map token. (It's an artifact with ", , Sacrifice this artifact: Target creature you control explores. Activate only as a sorcery.")

When this Case enters, investigate. (Create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

To solve — You control three or more artifacts. (If unsolved, solve at the beginning of your end step.)

Solved — , Sacrifice this Case: Put four +1/+1 counters on target noncreature artifact. It becomes a 0/0 Bird creature with flying in addition to its other types.

When this Case enters, create a 2/1 black Skeleton creature token and suspect it. (It has menace and can't block.)

To solve — You control no suspected Skeletons. (If unsolved, solve at the beginning of your end step.)

Solved — , Sacrifice this Case: Search your library for a card, put it into your hand, then shuffle. Activate only as a sorcery.

Each player chooses from among the permanents they control an artifact, a creature, an enchantment, and a land, then sacrifices the rest.

Devoid (This card has no color.)

When Catacomb Sifter enters, create a 1/1 colorless Eldrazi Scion creature token. It has "Sacrifice this creature: Add ."

Whenever another creature you control dies, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

, , Sacrifice another creature: Target opponent loses life equal to the sacrificed creature's toughness.

Sacrifice a creature: Regenerate Cateran Overlord.

, : Search your library for a Mercenary permanent card with mana value 6 or less, put it onto the battlefield, then shuffle.

Cast this spell only during combat.

Return target creature card from your graveyard to the battlefield. That creature gains haste. Return it to your hand at the beginning of the next end step.

You may put a creature card from your hand onto the battlefield. That creature gains haste. Its controller sacrifices it at the beginning of the next end step.

, Sacrifice Caustic Caterpillar: Destroy target artifact or enchantment.

Lifelink

When Cavalier of Night enters, you may sacrifice another creature. When you do, destroy target creature an opponent controls.

When Cavalier of Night dies, return target creature card with mana value 3 or less from your graveyard to the battlefield.

Target player sacrifices an attacking or blocking creature.

, : Draft a card from Celestial Vault's spellbook and exile it face down.

, Sacrifice Celestial Vault: Put each card exiled with Celestial Vault into your hand.

: Add . Centaur Garden deals 1 damage to you.

Threshold — , , Sacrifice Centaur Garden: Target creature gets +3/+3 until end of turn. Activate only if seven or more cards are in your graveyard.

: Add . Cephalid Coliseum deals 1 damage to you.

Threshold — , , Sacrifice Cephalid Coliseum: Target player draws three cards, then discards three cards. Activate only if seven or more cards are in your graveyard.

Flying

, Sacrifice a land: Draw a card.

Equipped creature gets +1/+0 and has "Whenever this creature deals combat damage, create a Blood token." (It's an artifact with ", , Discard a card, Sacrifice this artifact: Draw a card.")

Equip (: Attach to target creature you control. Equip only as a sorcery.)

Animate Chains — When Chain Devil enters, each player sacrifices a nontoken creature.

Return target nonland permanent to its owner's hand. Then that permanent's controller may sacrifice a land. If the player does, they may copy this spell and may choose a new target for that copy.

Target player sacrifices a creature.

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

Whenever one or more creature cards leave your graveyard, create a 2/2 white and blue Detective creature token, then investigate. (Create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

0: Put a loyalty counter on each red planeswalker you control.

0: Create two 1/1 red Elemental creature tokens. They gain haste. Sacrifice them at the beginning of the next end step.

−2: You may cast target instant or sorcery card with mana value 3 or less from your graveyard. If that spell would be put into your graveyard, exile it instead.

Changeling (This card is every creature type.)

Champion a creature (When this enters, sacrifice it unless you exile another creature you control. When this leaves the battlefield, that card returns to the battlefield.)

Lifelink (Damage dealt by this creature also causes you to gain that much life.)

Noncreature spells cost more to cast.

Whenever a player casts a noncreature spell, put a collection counter on Charitable Levy. Then if there are three or more collection counters on it, sacrifice it. If you do, draw a card, then you may search your library for a Plains card, put it onto the battlefield tapped, then shuffle.

Trample

At the beginning of your upkeep, exile a creature card from your graveyard. If you do, put a +1/+1 counter on Charnel Troll. Otherwise, sacrifice it.

, Discard a creature card: Put a +1/+1 counter on Charnel Troll.

At the beginning of your upkeep, roll a six-sided die. If you roll a 6, sacrifice Chicken Egg and create a 4/4 red Giant Bird creature token.

Sacrifice Child of Thorns: Target creature gets +1/+1 until end of turn.

: Chimeric Coils becomes an X/X Construct artifact creature. Sacrifice it at the beginning of the next end step.

Flying

At the beginning of your upkeep, sacrifice Chisei, Heart of Oceans unless you remove a counter from a permanent you control.

Mutate (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.)

Whenever this creature mutates, each opponent sacrifices a creature.

When Chittering Witch enters, create a number of 1/1 black Rat creature tokens equal to the number of opponents you have.

, Sacrifice a creature: Target creature gets -2/-2 until end of turn.

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.

, , Sacrifice Chromatic Sphere: Add one mana of any color. Draw a card.

Flying

Rampage 2 <I>(Whenever this creature becomes blocked, it gets +2/+2 until end of turn for each creature blocking it beyond the first.)</I>

At the beginning of your upkeep, sacrifice Chromium unless you pay .

Flying

Vanishing 3 (This creature enters with three time counters on it. At the beginning of your upkeep, remove a time counter from it. When the last is removed, sacrifice it.)

When Chronozoa dies, if it had no time counters on it, create two tokens that are copies of it.

, , Sacrifice Cinder Elemental: It deals X damage to any target.

Whenever an opponent casts a noncreature spell, Cindervines deals 1 damage to that player.

, Sacrifice Cindervines: Destroy target artifact or enchantment. Cindervines deals 2 damage to that permanent's controller.

Flying

You may discard Circling Vultures any time you could cast an instant.

At the beginning of your upkeep, sacrifice Circling Vultures unless you exile the top creature card of your graveyard.

Shroud (This creature can't be the target of spells or abilities.)

Echo (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)

Whenever one or more other nontoken permanents with a name originally printed in the Arabian Nights expansion are on the battlefield, their controllers sacrifice them.

Players can't cast spells or play lands with a name originally printed in the Arabian Nights expansion.

Whenever you attack, target opponent loses X life, where X is the number of artifacts you control.

Whenever chaos ensues, for each opponent, you create a 3/3 black Dalek artifact creature token with menace that attacks that opponent this turn if able. Those tokens gain haste. Sacrifice them at the beginning of the next end step.

Trample, haste

When Clackbridge Troll enters, target opponent creates three 0/1 white Goat creature tokens.

At the beginning of combat on your turn, any opponent may sacrifice a creature. If a player does, tap Clackbridge Troll, you gain 3 life, and you draw a card.

Commander creatures you own have ", Sacrifice an artifact: Put a +1/+1 counter on this creature and draw a card."

Flying

, Throw Clay Pigeon into the air at least two feet above your head while seated: If you catch Clay Pigeon with one hand, prevent all damage a source of your choice would deal to you this turn and tap Clay Pigeon. Otherwise, sacrifice it.

Haste

Sacrifice a Goblin: Clickslither gets +2/+2 and gains trample until end of turn.

Each opponent sacrifices a creature with flying.

Flash

Reach

When Cloudthresher enters, it deals 2 damage to each creature with flying and each player.

Evoke (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters.)

Sacrifice a land: Coastal Hornclaw gains flying until end of turn.

Enchant creature you control

When Cocoon enters, tap enchanted creature and put three pupa counters on Cocoon.

Enchanted creature doesn't untap during your untap step if Cocoon has a pupa counter on it.

At the beginning of your upkeep, remove a pupa counter from Cocoon. If you can't, sacrifice it, put a +1/+1 counter on enchanted creature, and that creature gains flying.

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.

When Cogworker's Puzzleknot enters, create a 1/1 colorless Servo artifact creature token.

, Sacrifice Cogworker's Puzzleknot: Create a 1/1 colorless Servo artifact creature token.