Commander creatures you own have "At the beginning of your end step, if a creature card was put into your graveyard from anywhere this turn, create two tapped 1/1 green Squirrel creature tokens."

, : Move the CRANK counter to your Contraption deck's next sprocket and crank any number of that sprocket's Contraptions.

When Clocknapper enters, choose beginning phase, first main phase, combat phase, postcombat main phase, or ending phase. Steal that phase from target player during their next turn. (That phase occurs as though it's your turn instead.)

Flying

Clockwork Avian enters with four +1/+0 counters on it.

At end of combat, if Clockwork Avian attacked or blocked this combat, remove a +1/+0 counter from it.

, : Put up to X +1/+0 counters on Clockwork Avian. This ability can't cause the total number of +1/+0 counters on Clockwork Avian to be greater than four. Activate only during your upkeep.

Clockwork Beetle enters with two +1/+1 counters on it.

Whenever Clockwork Beetle attacks or blocks, remove a +1/+1 counter from it at end of combat.

Flying

Clockwork Dragon enters with six +1/+1 counters on it.

Whenever Clockwork Dragon attacks or blocks, remove a +1/+1 counter from it at end of combat.

: Put a +1/+1 counter on Clockwork Dragon.

You may exert Clockwork Droid as it attacks. When you do, it can't be blocked this turn and you scry 1. (An exerted creature won't untap during your next untap step. To scry 1, look at the top card of your library. You may put that card on the bottom.)

, : Regenerate target artifact creature.

Haste

When Clockwork Percussionist dies, exile the top card of your library. You may play it until the end of your next turn.

Clockwork Steed enters with four +1/+0 counters on it.

Clockwork Steed can't be blocked by artifact creatures.

At end of combat, if Clockwork Steed attacked or blocked this combat, remove a +1/+0 counter from it.

, : Put up to X +1/+0 counters on Clockwork Steed. This ability can't cause the total number of +1/+0 counters on Clockwork Steed to be greater than four. Activate only during your upkeep.

Trample

Clockwork Vorrac enters with four +1/+1 counters on it.

Whenever Clockwork Vorrac attacks or blocks, remove a +1/+1 counter from it at end of combat.

: Put a +1/+1 counter on Clockwork Vorrac.

At the beginning of your upkeep, you may transform Cloistered Youth.

When Clone Crafter enters the battlefield, conjure a duplicate of a random creature card from your opponent's library into your hand. It perpetually gains "You may spend mana as though it were mana of any color to cast this spell."

Imprint — When Clone Shell enters, look at the top four cards of your library, exile one face down, then put the rest on the bottom of your library in any order.

When Clone Shell dies, turn the exiled card face up. If it's a creature card, put it onto the battlefield under your control.

This spell costs less to cast during your end step.

Destroy target creature or planeswalker you don't control. Put a +1/+1 counter on up to one target creature you control.

Whenever another permanent you control becomes the target of a spell or ability an opponent controls, you may return that permanent to its owner's hand.

Flying

Cloud Djinn can block only creatures with flying.

Flying

Cloud Elemental can block only creatures with flying.

Flying

Flying

Cloud Pirates can block only creatures with flying.

Flying (This creature can't be blocked except by creatures with flying or reach.)

Cloud Sprite can block only creatures with flying.

Flying

When Cloudchaser Eagle enters, destroy target enchantment.

: Add .

: Add or . Cloudcrest Lake doesn't untap during your next untap step.

Flying

Evolve (Whenever a creature you control enters, if that creature has greater power or toughness than this creature, put a +1/+1 counter on this creature.)

When Cloudgoat Ranger enters, create three 1/1 white Kithkin Soldier creature tokens.

Tap three untapped Kithkin you control: Cloudgoat Ranger gets +2/+0 and gains flying until end of turn.

Flying

Whenever you cast a Spirit or Arcane spell, you may have target player mill X cards, where X is that spell's mana value.

Flying

When Cloudkin Seer enters, draw a card.

Cloudpost enters tapped.

: Add for each Locus on the battlefield.

Flying

When Cloudreader Sphinx enters, scry 2. (Look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.)

Exile target creature you control, then return that card to the battlefield under your control.

Flying

Fading 3 <I>(This creature enters with three fade counters on it. At the beginning of your upkeep, remove a fade counter from it. If you can't, sacrifice it.)</I>

Whenever a nonartifact permanent you control enters, you may return another permanent you control that shares a permanent type with it to its owner's hand.

Enchant creature

As long as enchanted creature is blue, it gets +1/+1 and has shroud. (It can't be the target of spells or abilities.)

As long as enchanted creature is red, it gets +1/+1 and has haste.

When Clown Car enters, roll X six-sided dice. For each odd result, create a 1/1 white Clown Robot artifact creature token. For each even result, put a +1/+1 counter on Clown Car.

Crew 2

Visit — Create a 1/1 white Clown Robot artifact creature token.

Lights — 3, 6

Visit — Create a 1/1 white Clown Robot artifact creature token.

Lights — 5, 6

Return target creature to its owner's hand.

Awaken 3— (If you cast this spell for , also put three +1/+1 counters on target land you control and it becomes a 0/0 Elemental creature with haste. It's still a land.)

Enchant creature

Enchanted creature gets +3/+3 as long as it's a Zombie. Otherwise, it gets -3/-3.

When Coal Stoker enters, if you cast it from your hand, add .

Whenever Coalhauler Swine is dealt damage, it deals that much damage to each player.

While an opponent is choosing targets as part of casting a spell they control or activating an ability they control, that player must choose at least one Flagbearer on the battlefield if able.

Flying

Enlist (As this creature attacks, you may tap a nonattacking creature you control without summoning sickness. When you do, add its power to this creature's until end of turn.)

Enlist (As this creature attacks, you may tap a nonattacking creature you control without summoning sickness. When you do, add its power to this creature's until end of turn.)

Trample

Defender

Coastal Bulwark gets +2/+0 as long as you control an Island.

, : Surveil 1. (Look at the top card of your library. You may put that card into your graveyard.)

Flying

, : Return target Kavu to its owner's hand.

Whenever a creature you control deals combat damage to an opponent, you may draw a card.

: Return Coastal Wizard and another target creature to their owners' hands. Activate only during your turn, before attackers are declared.

Trample

Whenever Coastline Marauders attacks, it gets +1/+0 until end of turn for each land defending player controls.

Encore (, Exile this card from your graveyard: For each opponent, create a token copy that attacks that opponent this turn if able. They gain haste. Sacrifice them at the beginning of the next end step. Activate only as a sorcery.)

: Cobalt Golem gains flying until end of turn.

As an additional cost to cast this spell, exile a creature card from your graveyard.

, Exile Cobbled Lancer from your graveyard: Draw a card.