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

: 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.)

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

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

: Target player mills a card. (They put the top card of their library into their graveyard.)

, , Sacrifice Codex Shredder: Return target card from your graveyard to your hand.

Commanders you control have ward .

: Add . Spend this mana only to cast Aura and/or Equipment spells.

: Attach target Aura or Equipment you control to target creature you control. Activate only as a sorcery.

You may choose not to untap Coffin Queen during your untap step.

, : Put target creature card from a graveyard onto the battlefield under your control. When Coffin Queen becomes untapped or you lose control of Coffin Queen, exile that creature.

Reach

, : Put target card from a graveyard on the bottom of its owner's library.

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.

Enchant creature

Enchanted creature gets +1/-1.

Sacrifice Coils of the Medusa: Destroy all non-Wall creatures blocking enchanted creature.

: Exile target creature you control.

Sacrifice Cold Storage: Return each creature card exiled with Cold Storage to the battlefield under your control.

, Give an opponent a nonland card you own from outside the game: Prevent the next 1 damage that would be dealt to you or Collector Protector this turn.

, : Draw a card, then discard a card. Create a Treasure token. (It's an artifact with ", Sacrifice this artifact: Add one mana of any color.")

Whenever Colossal Plow attacks, add and you gain 3 life. Until end of turn, you don't lose this mana as steps and phases end.

Crew 6 (Tap any number of creatures you control with total power 6 or more: This Vehicle becomes an artifact creature until end of turn.)

Flying, ward

Channel — , Discard Colossal Skyturtle: Return target card from your graveyard to your hand.

Channel — , Discard Colossal Skyturtle: Return target creature to its owner's hand.

Defender, indestructible

: Monstrosity 10. (If this creature isn't monstrous, put ten +1/+1 counters on it and it becomes monstrous.)

As long as Colossus of Akros is monstrous, it has trample and can attack as though it didn't have defender.

, Sacrifice Combat Courier: Draw a card.

Unearth (: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

Creature tokens you control have flying.

, , Sacrifice a token: Create a 4/4 green Beast creature token. Activate only as a sorcery.

0: Roll a six-sided die.

1 or 2 — +2, then create two 1/1 green Squirrel creature tokens. They gain haste until end of turn.

3 — −1, then return a card with mana value 2 or less from your graveyard to your hand.

4 or 5 — Comet, Stellar Pup deals damage equal to the number of loyalty counters on him to a creature or player, then −2.

6 — +1, and you may activate Comet, Stellar Pup's loyalty ability two more times this turn.

: Add one mana of any color in your commander's color identity.

Flash

Crash Landing — When Commander Sofia Daguerre enters, destroy up to one target legendary permanent. That permanent's controller creates a Junk token. (It's an artifact with ", Sacrifice this artifact: Exile the top card of your library. You may play that card this turn. Activate only as a sorcery.")

(: Add or .)

Commercial District enters tapped.

When Commercial District enters, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

At the beginning of your end step, put a loyalty counter on another target planeswalker you control.

+1: Create a 1/1 red Wizard creature token with ": Add . Spend this mana only to cast a planeswalker spell."

−3: You draw X cards and Commodore Guff deals X damage to each opponent, where X is the number of planeswalkers you control.

Commodore Guff can be your commander.

Target player mills five cards.

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

Counter target spell unless its controller pays .

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

When you cycle Complicate, you may counter target spell unless its controller pays .

Sacrifice Composite Golem: Add .

Enchant creature

Enchanted creature can't attack or block.

Enchanted creature has ", Sacrifice this creature: You gain 2 life."

Defender

: Transform Concealing Curtains. Activate only as a sorcery.

Visit — Create a Food token. (It's an artifact with ", , Sacrifice this artifact: You gain 3 life.")

Lights — 3, 6

Visit — Create a Food token. (It's an artifact with ", , Sacrifice this artifact: You gain 3 life.")

Lights — 5, 6

, : Creatures you control gain trample until end of turn.

, : Create a 2/2 green and white Elf Knight creature token with vigilance.

Whenever Conduit of Storms attacks, add at the beginning of your next main phase this turn.

: Transform Conduit of Storms.

When Conduit Pylons enters, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

: Add .

, : Add one mana of any color.

Counter target spell.

Investigate three times. (To investigate, create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

Flying, lifelink

Whenever Congregation Gryff attacks while saddled, it gets +X/+X until end of turn, where X is the number of Mounts you control.

Saddle 3 (Tap any number of other creatures you control with total power 3 or more: This Mount becomes saddled until end of turn. Saddle only as a sorcery.)

, Sacrifice Conjurer's Bauble: Put up to one target card from your graveyard on the bottom of your library. Draw a card.

(Transforms from Conqueror's Galleon.)

: Add .

, : Draw a card, then discard a card.

, : Draw a card.

, : Return target card from your graveyard to your hand.

Enchant creature

Enchanted creature gets +2/+2 and has flying and "Sacrifice two other creatures: Regenerate this creature." (The next time the creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

Conservatory enters tapped.

: Add or .

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

Crew 6 (Tap any number of creatures you control with total power 6 or more: This Vehicle becomes an artifact creature until end of turn.)

: You get (an energy counter).

, Pay : Consulate Turret deals 2 damage to target player or planeswalker.

When Contagion Clasp enters, put a -1/-1 counter on target creature.

, : Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

(: Add or .)

Contaminated Aquifer enters tapped.

: Add .

, : Target Beast creature you control fights target creature an opponent controls. (Each deals damage equal to its power to the other.)

Whenever a creature deals combat damage to you, that creature's controller gains control of Contested War Zone.

: Add .

, : Attacking creatures get +1/+0 until end of turn.

Destroy target creature. Create two Treasure tokens. (They're artifacts with ", Sacrifice this artifact: Add one mana of any color.")

Enchant creature

When Convenient Target enters, suspect enchanted creature. (It has menace and can't block.)

Enchanted creature gets +1/+1.

: Return Convenient Target from your graveyard to your hand.

: Add .

, : You get (three energy counters).

, Pay : Add three mana in any combination of colors.

When Converter Beast enters, incubate 5. (Create an Incubator token with five +1/+1 counters on it and ": Transform this artifact." It transforms into a 0/0 Phyrexian artifact creature.)

, : Convulsing Licid loses this ability and becomes an Aura enchantment with enchant creature. Attach it to target creature. You may pay to end this effect.

Enchanted creature can't block.