Counter target spell unless its controller pays for each card in your graveyard.

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

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.

Whenever this creature attacks while you control a creature with power 4 or greater, this creature gets +1/+0 and gains menace until end of turn. (It can't be blocked except by two or more creatures.)

Up to one target creature you control gains protection from each of your opponents until end of turn. Draw a card. (It can't be blocked, targeted, dealt damage, enchanted, or equipped by anything controlled by those players.)

Fateful hour — If you have 5 or less life, you can't lose life this turn, you can't lose the game this turn, and your opponents can't win the game this turn.

Flying

When Courier Griffin enters, you gain 2 life.

When Courier's Briefcase enters, create a 1/1 green and white Citizen creature token.

, Sacrifice Courier's Briefcase: Add one mana of any color.

, , Sacrifice Courier's Briefcase: Draw three cards.

Play with the top card of your library revealed.

You may play lands from the top of your library.

Landfall — Whenever a land you control enters, you gain 1 life.

Reach (This creature can block creatures with flying.)

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

Court Homunculus gets +1/+1 as long as you control another artifact.

When Court of Ambition enters, you become the monarch.

At the beginning of your upkeep, each opponent loses 3 life unless they discard a card. If you're the monarch, instead each opponent loses 6 life unless they discard two cards.

When Court of Bounty enters, you become the monarch.

At the beginning of your upkeep, you may put a land card from your hand onto the battlefield. If you're the monarch, instead you may put a creature or land card from your hand onto the battlefield.

When Court of Embereth enters, you become the monarch.

At the beginning of your upkeep, create a 3/1 red Knight creature token. Then if you're the monarch, Court of Embereth deals X damage to each opponent, where X is the number of creatures you control.

When Court of Grace enters, you become the monarch.

At the beginning of your upkeep, create a 1/1 white Spirit creature token with flying. If you're the monarch, create a 4/4 white Angel creature token with flying instead.

When Court of Locthwain enters, you become the monarch.

At the beginning of your upkeep, exile the top card of target opponent's library. You may play that card for as long as it remains exiled, and mana of any type can be spent to cast it. If you're the monarch, until end of turn, you may cast a spell from among cards exiled with Court of Locthwain without paying its mana cost.

Whenever another white creature you control enters, tap target creature an opponent controls.

When Covert Cutpurse enters, destroy target creature you don't control that was dealt damage this turn.

Disturb (You may cast this card from your graveyard transformed for its disturb cost.)

Target opponent reveals their hand. You choose a nonland card from that player's graveyard or hand and exile it. You may cast that card for as long as it remains exiled, and you may spend mana as though it were mana of any color to cast that spell.

Whenever you activate an ability of an artifact or creature that isn't a mana ability, Crackdown Construct gets +1/+1 until end of turn.

, , Tap two untapped red creatures you control: Crackleburr deals 3 damage to any target.

, , Untap two tapped blue creatures you control: Return target creature to its owner's hand. ( is the untap symbol.)

: Add an amount of equal to Cradle Clearcutter's power.

//PRT-Prototype_Mech//

Prototype (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.)

1/3

: Add .

, , Sacrifice Cradle of the Accursed: Create a 2/2 black Zombie creature token. Activate only as a sorcery.

When this creature enters, this creature assembles a Contraption. (Put the top card of your Contraption deck face up onto one of your sprockets.)

Whenever a source deals damage to Crag Saurian, that source's controller gains control of Crag Saurian.

At the beginning of each opponent's upkeep, that player moves a permanent they control to touch Cramped Bunker and no other permanents. If the player can't, destroy each permanent they control that isn't touching Cramped Bunker, then sacrifice it.

, Discard a card: Crashing Centaur gains trample until end of turn.

Threshold — As long as seven or more cards are in your graveyard, Crashing Centaur gets +2/+2 and has shroud. (It can't be the target of spells or abilities.)

Enchant creature you control

Enchanted creature gets +3/+2, has haste, and attacks each combat if able.

: Return Craving of Yeenoghu from your graveyard to the battlefield attached to target creature you control. Craving of Yeenoghu perpetually gains "Enchanted creature gets -1/-1." Activate only as a sorcery.

Toxic 1 (Players dealt combat damage by this creature also get a poison counter.)

When Crawling Chorus dies, create a 1/1 colorless Phyrexian Mite artifact creature token with toxic 1 and "This creature can't block."

Creative Outburst deals 5 damage to any target. Look at the top five cards of your library. Put one of them into your hand and the rest on the bottom of your library in a random order.

, Discard Creative Outburst: Create a Treasure token.

Enchant creature

When enchanted creature dies, Creature Bond deals damage equal to that creature's toughness to the creature's controller.

, , Sacrifice Credit Voucher: Shuffle any number of cards from your hand into your library, then draw that many cards.

At the beginning of your upkeep, Creeping Bloodsucker deals 1 damage to each opponent. You gain life equal to the damage dealt this way.

Other Horses you control have indestructible.

At the beginning of each end step, if you gained life this turn, create a 5/5 white Horse creature token.

Put target creature or enchantment card from an opponent's graveyard onto the battlefield under your control.

Crimson Muckwader gets +1/+1 as long as you control a Swamp.

: Regenerate Crimson Muckwader. (The next time this creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

Croakid Amphibonaut has flying as long as you control a stickered permanent.

Tap target creature. Create a Cursed Role token attached to it. (Enchanted creature is 1/1.)

Flash

Flying

When Crookclaw Transmuter enters, switch target creature's power and toughness until end of turn.

Flying

Whenever Crosis, the Purger deals combat damage to a player, you may pay . If you do, choose a color, then that player reveals their hand and discards all cards of that color.

When Crossroads Candleguide enters, exile up to one target card from a graveyard.

: Add one mana of any color.

Attacking Vampires you control have deathtouch and lifelink. (Any amount of damage they deal to a creature is enough to destroy it. Damage dealt by those creatures also causes their controller to gain that much life.)

Whenever a Vampire you control dies, you may pay 2 life. If you do, draw a card.

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.

When Crown-Hunter Hireling enters, you become the monarch.

Crown-Hunter Hireling can't attack unless defending player is the monarch.

: Add .

, : Put a storage counter on Crucible of the Spirit Dragon.

, Remove X storage counters from Crucible of the Spirit Dragon: Add X mana in any combination of colors. Spend this mana only to cast Dragon spells or activate abilities of Dragons.

Defender (This creature can't attack.)

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

Whenever Cruel Celebrant or another creature or planeswalker you control dies, each opponent loses 1 life and you gain 1 life.

: Look at the top card of your library.

: Reveal the top card of your library. If it's a land card, Cruel Deceiver gains "Whenever Cruel Deceiver deals damage to a creature, destroy that creature" until end of turn. Activate only once each turn.

Choose target player and another target player. The first player controls the second player during the second player's next turn, and the second player controls the first player during the first player's next turn.

Strive — This spell costs more to cast for each target beyond the first.

Any number of target creatures each get +1/+0 and gain lifelink until end of turn. (Damage dealt by a creature with lifelink also causes its controller to gain that much life.)

Deathtouch

When Cruel Grimnarch enters, each opponent discards a card. For each opponent who can't, you gain 4 life.

Destroy target non-Zombie creature. It can't be regenerated. Return up to one target Zombie card from your graveyard to your hand.