At the beginning of your upkeep, you may exchange control of Conjured Currency and target permanent you neither own nor control.

As Conspiracy enters the battlefield, choose a creature type.

Creatures you control are the chosen type. The same is true for creature spells you control and creature cards you own that aren't on the battlefield.

Enchant non-Wall creature

Enchanted creature gets +1/+0.

At the beginning of your upkeep, put a +1/+0 counter on enchanted creature. If that creature has three or more +1/+0 counters on it, it deals damage equal to its power to its controller, then destroy that creature and it can't be regenerated.

: Add .

You may have Copy Enchantment enter the battlefield as a copy of any enchantment on the battlefield.

At the beginning of your upkeep, reveal the top card of your library. If it's a land card, put it into your graveyard and repeat this process.

Whenever a land card is put into your graveyard from anywhere, put a +1/+1 counter on Countryside Crusher.

Enchant creature

Enchanted creature can't attack or block unless its controller pays for each card in your hand.

Flash

When Crafty Cutpurse enters the battlefield, each token that would be created under an opponent's control this turn is created under your control instead.

: Target creature with power 2 or less can't be blocked this turn.

Indestructible

Whenever Creepy Doll deals combat damage to a creature, flip a coin. If you win the flip, destroy that creature.

: Crossbow Infantry deals 1 damage to target attacking or blocking creature.

Enchant creature

Enchanted creature gets +1/+0 and has first strike.

Sacrifice Crown of Fury: Enchanted creature and other creatures that share a creature type with it get +1/+0 and gain first strike until end of turn.

Enchant player

At the beginning of enchanted player's upkeep, that player sacrifices a creature or planeswalker. If the player can't, they lose 5 life.

Choose one —

• Destroy target creature with flying.

• Destroy target enchantment.

All creatures get -2/-2 until end of turn. Exile all creature cards in all graveyards that were put there from the battlefield this turn. If a creature would die this turn, exile it instead.

Target creature you control gains protection from creatures your opponents control until end of turn. Untap it.

Double strike

When Crypt Champion enters the battlefield, each player puts a creature card with converted mana cost 3 or less from their graveyard onto the battlefield.

When Crypt Champion enters the battlefield, sacrifice it unless was spent to cast it.

Sacrifice Crypt Creeper: Exile target card from a graveyard.

Exile all creature cards from target player's graveyard. You gain 3 life for each card exiled this way.

When Crypt of the Eternals enters the battlefield, you gain 1 life.

: Add .

, : Add , , or .

Haste

: Crypt Ripper gets +1/+1 until end of turn.

Trample

Cryptborn Horror enters the battlefield with X +1/+1 counters on it, where X is the total life lost by your opponents this turn.

When Cryptic Annelid enters the battlefield, scry 1, then scry 2, then scry 3. (To scry X, look at the top X cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)

Choose two —

• Counter target spell.

• Return target permanent to its owner's hand.

• Tap all creatures your opponents control.

• Draw a card.

Tap two untapped creatures you control: You may put a creature card from your hand that shares a creature type with each creature tapped this way onto the battlefield.

Cryptolith Fragment enters the battlefield tapped.

: Add one mana of any color. Each player loses 1 life.

At the beginning of your upkeep, if each player has 10 or less life, transform Cryptolith Fragment.

At the beginning of your upkeep, you may have Cryptoplasm become a copy of another target creature, except it has this ability.

, : Scry 2. (Look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)

At the beginning of your end step, Crystal Golem phases out. (While it's phased out, it's treated as though it doesn't exist. It phases in before you untap during your next untap step.)

Whenever a player casts a blue spell, you may pay . If you do, you gain 1 life.

, or , : Return target creature to its owner's hand unless its controller pays .

: Add .

, Sacrifice Crystal Vein: Add .

Bestow (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached to a creature.)

When Crystalline Nautilus becomes the target of a spell or ability, sacrifice it.

Enchanted creature gets +4/+4 and has "When this creature becomes the target of a spell or ability, sacrifice it."

Enchant creature

Enchanted creature can't attack or block.

When enchanted creature becomes the target of a spell or ability, exile that creature.

Flying

Whenever you cycle or discard another card, scry 1.

Cycling (, Discard this card: Draw a card.)

Enchant player

Whenever enchanted player is attacked, untap all nonland permanents you control. Each opponent attacking that player untaps all nonland permanents they control.

Enchant player

At the beginning of enchanted player's upkeep, that player puts the top two cards of their library into their graveyard.

Enchant player

Whenever enchanted player is attacked, you draw a card. Each opponent attacking that player does the same.

As Curse of Wizardry enters the battlefield, choose a color.

Whenever a player casts a spell of the chosen color, that player loses 1 life.

Enchant creature

Enchanted creature has "At the beginning of your upkeep, target opponent gains control of this creature unless you sacrifice a land."

Return Cycle of Life to its owner's hand: Target creature you cast this turn has base power and toughness 0/1 until your next upkeep. At the beginning of your next upkeep, put a +1/+1 counter on that creature.

At the beginning of your upkeep, put a wind counter on Cyclone, then sacrifice Cyclone unless you pay for each wind counter on it. If you pay, Cyclone deals damage equal to the number of wind counters on it to each creature and each player.

Return target nonland permanent you don't control to its owner's hand.

Overload (You may cast this spell for its overload cost. If you do, change its text by replacing all instances of "target" with "each.")

When Cyclopean Mummy dies, exile it.

, : Put a mire counter on target non-Swamp land. That land is a Swamp for as long as it has a mire counter on it. Activate this ability only during your upkeep.

When Cyclopean Tomb is put into a graveyard from the battlefield, at the beginning of each of your upkeeps for the rest of the game, remove all mire counters from a land that a mire counter was put onto with Cyclopean Tomb but that a mire counter has not been removed from with Cyclopean Tomb.

Whenever Cyclops Gladiator attacks, you may have it deal damage equal to its power to target creature defending player controls. If you do, that creature deals damage equal to its power to Cyclops Gladiator.

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

Graft 4 (This creature enters the battlefield with four +1/+1 counters on it. Whenever another creature enters the battlefield, you may move a +1/+1 counter from this creature onto it.)

When Cytoplast Root-Kin enters the battlefield, put a +1/+1 counter on each other creature you control with a +1/+1 counter on it.

: Move a +1/+1 counter from target creature you control onto Cytoplast Root-Kin.