Name: Cosmic Horror Cost: 3BBB Type: Creature -- Horror Pow/Tgh: 7/7 Rules Text: First strike At the beginning of your upkeep, destroy this creature unless you pay {3}{B}{B}{B}. If this creature is destroyed this way, it deals 7 damage to you. Set/Rarity: Legends rare, Fourth Edition Foreign Black Border rare, Fourth Edition rare, Renaissance uncommon, Masters Edition III rare Price: $0.36

Name: Cosmic Intervention Cost: 3W Type: Instant Rules Text: If a permanent you control would be put into a graveyard from the battlefield this turn, exile it instead. Return it to the battlefield under its owner's control at the beginning of the next end step. Foretell {1}{W} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.) Set/Rarity: Kaldheim Commander rare Price: $6.03

Name: Cosmium Blast Cost: 1W Type: Instant Rules Text: Cosmium Blast deals 4 damage to target attacking or blocking creature. Set/Rarity: The Lost Caverns of Ixalan common Price: $0.03

Name: Cosmium Kiln Type: Artifact Rules Text: When this artifact enters, create two 1/1 colorless Gnome artifact creature tokens. Creatures you control get +1/+1. [Back face. Transforms from Clay-Fired Bricks. W color indicator.] Set/Rarity: The Lost Caverns of Ixalan uncommon Price: $0.07

Name: Cosmogrand Zenith Cost: 2W Type: Creature -- Human Soldier Pow/Tgh: 2/4 Rules Text: Whenever you cast your second spell each turn, choose one -- - Create two 1/1 white Human Soldier creature tokens. - Put a +1/+1 counter on each creature you control. Set/Rarity: Edge of Eternities Promos mythic, Edge of Eternities mythic Price: $6.06

Name: Cosmos Elixir Cost: 4 Type: Artifact Rules Text: At the beginning of your end step, draw a card if your life total is greater than your starting life total. Otherwise, you gain 2 life. Set/Rarity: Magic Online Promos rare, The List rare, Kaldheim Promos rare, Kaldheim rare Price: $2.58

Name: Costly Plunder Cost: 1B Type: Instant Rules Text: As an additional cost to cast this spell, sacrifice an artifact or creature. Draw two cards. Set/Rarity: Ixalan common, Double Masters common, The List common, Wizards Play Network 2024 rare Price: $0.13

Name: Costume Closet Cost: 1W Type: Artifact Rules Text: This artifact enters with two +1/+1 counters on it. {T}: Move a +1/+1 counter from this artifact onto target creature you control. Activate only as a sorcery. Whenever a modified creature you control leaves the battlefield, put a +1/+1 counter on this artifact. (Equipment, Auras you control, and counters are modifications.) Set/Rarity: Through the Omenpaths uncommon, Marvel's Spider-Man uncommon Price: $0.09

Name: Costume Shop Type: Artifact -- Attraction Rules Text: Visit -- You may put a sticker on a nonland permanent you own. Set/Rarity: Unfinity common Price: $0.06

Name: Council Guardian Cost: 5W Type: Creature -- Giant Soldier Pow/Tgh: 5/5 Rules Text: Will of the council -- When this creature enters, starting with you, each player votes for blue, black, red, or green. This creature gains protection from each color with the most votes or tied for most votes. Set/Rarity: Conspiracy uncommon, The List uncommon Price: $0.19

Name: Council's Judgment Cost: 1WW Type: Sorcery Rules Text: Will of the council -- Starting with you, each player votes for a nonland permanent you don't control. Exile each permanent with the most votes or tied for most votes. Set/Rarity: Magic Online Promos rare, Conspiracy rare, Vintage Masters rare, Secret Lair Drop rare, Double Masters rare, The List rare, Ravnica: Clue Edition rare, Outlaws of Thunder Junction Commander rare Price: $0.31

Name: Countless Gears Renegade Cost: 1W Type: Creature -- Dwarf Artificer Pow/Tgh: 2/2 Rules Text: Revolt -- When this creature enters, if a permanent left the battlefield under your control this turn, create a 1/1 colorless Servo artifact creature token. Set/Rarity: Aether Revolt common, The List common, Kaladesh Remastered common Price: $0.05

Name: Country Roads Type: Land Rules Text: This land enters tapped unless you control a Mount or Vehicle. {T}: Add {W}. {1}{W}, {T}, Sacrifice this land: Create a 1/1 colorless Pilot creature token with "This token saddles Mounts and crews Vehicles as though its power were 2 greater." Activate only as a sorcery. Set/Rarity: Aetherdrift uncommon Price: $0.08

Name: Courageous Outrider Cost: 3W Type: Creature -- Human Scout Pow/Tgh: 3/4 Rules Text: When this creature enters, look at the top four cards of your library. You may reveal a Human card from among them and put it into your hand. Put the rest on the bottom of your library in any order. Set/Rarity: Eldritch Moon uncommon, Shadows over Innistrad Remastered uncommon Price: $0.03

Name: Courageous Resolve Cost: 2W Type: Instant Rules Text: 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. Set/Rarity: Tales of Middle-earth Commander rare Price: $0.46

Name: Courier Bat Cost: 2B Type: Creature -- Bat Pow/Tgh: 2/2 Rules Text: Flying When this creature enters, if you gained life this turn, return up to one target creature card from your graveyard to your hand. Set/Rarity: Innistrad: Crimson Vow common, Innistrad: Double Feature common Price: $0.09

Name: Courier Griffin Cost: 3W Type: Creature -- Griffin Pow/Tgh: 2/3 Rules Text: Flying When this creature enters, you gain 2 life. Set/Rarity: Battle for Zendikar common Price: $0.10

Name: Courier Hawk Cost: 1W Type: Creature -- Bird Pow/Tgh: 1/2 Rules Text: Flying, vigilance Set/Rarity: Ravnica: City of Guilds common, Conspiracy common Price: $0.06

Name: Court Cleric Cost: W Type: Creature -- Human Cleric Pow/Tgh: 1/1 Rules Text: Lifelink (Damage dealt by this creature also causes you to gain that much life.) This creature gets +1/+1 as long as you control an Ajani planeswalker. Set/Rarity: Core Set 2019 uncommon Price: $0.26

Name: Court Homunculus Cost: W Type: Artifact Creature -- Homunculus Pow/Tgh: 1/1 Rules Text: This creature gets +1/+1 as long as you control another artifact. Set/Rarity: Conflux common, Modern Masters common, Modern Masters 2015 common, The List common, Historic Anthology 5 common Price: $0.03