Name: Common Cause Cost: 2W Type: Enchantment Rules Text: Nonartifact creatures get +2/+2 as long as they all share a color. Set/Rarity: Mercadian Masques rare Price: $0.39

Name: Common Crook Cost: 1B Type: Creature -- Human Rogue Villain Pow/Tgh: 2/2 Rules Text: When this creature dies, create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.") Set/Rarity: Through the Omenpaths common, Marvel's Spider-Man common Price: $0.05

Name: Commune with Evil Cost: 2B Type: Sorcery Rules Text: Look at the top four cards of your library. Put one of them into your hand and the rest into your graveyard. You gain 3 life. Set/Rarity: Duskmourn: House of Horror uncommon Price: $0.11

Name: Companion of the Trials Cost: 2W Type: Creature -- Bird Soldier Pow/Tgh: 2/2 Rules Text: Flying {1}{W}: Untap target creature. Activate only if you control a Gideon planeswalker. Set/Rarity: Amonkhet uncommon Price: $0.12

Name: Company Commander Cost: 2WB Type: Creature -- Human Soldier Pow/Tgh: 2/4 Rules Text: Command Section -- When this creature enters, create a number of 1/1 white Soldier creature tokens equal to the number of opponents you have. Bring it Down! -- Whenever this creature attacks, creatures you control gain deathtouch until end of turn. Set/Rarity: Warhammer 40,000 Commander rare Price: $3.40

Name: Compass Gnome Cost: 2 Type: Artifact Creature -- Gnome Pow/Tgh: 2/1 Rules Text: When this creature enters, you may search your library for a basic land card or Cave card, reveal it, then shuffle and put that card on top. Set/Rarity: The Lost Caverns of Ixalan common Price: $0.04

Name: Compassionate Healer Cost: 1W Type: Creature -- Human Cleric Ally Pow/Tgh: 2/2 Rules Text: Whenever this creature becomes tapped, you gain 1 life and scry 1. (Look at the top card of your library. You may put it on the bottom.) Set/Rarity: Avatar: The Last Airbender common Price: $0.05

Name: Complaints Clerk Cost: 3W Type: Creature -- Sloth Beast Employee Pow/Tgh: 3/3 Rules Text: When this creature enters, open an Attraction. (Put the top card of your Attraction deck onto the battlefield.) Whenever you roll a 1, create a 1/1 white Clown Robot artifact creature token. Set/Rarity: Unfinity uncommon Price: $0.08

Name: Compleat Devotion Cost: 1W Type: Instant Rules Text: Target creature you control gets +2/+2 until end of turn. If that creature has toxic, draw a card. Set/Rarity: Phyrexia: All Will Be One common Price: $0.04

Name: Compleated Huntmaster Cost: 2B Type: Creature -- Phyrexian Elf Warrior Pow/Tgh: 2/3 Rules Text: {1}, {T}, Sacrifice another creature or artifact: Incubate 3. (Create an Incubator token with three +1/+1 counters on it and "{2}: Transform this token." It transforms into a 0/0 Phyrexian artifact creature.) Set/Rarity: March of the Machine uncommon Price: $0.06

Name: Complete Disregard Cost: 2B Type: Instant Rules Text: Devoid (This card has no color.) Exile target creature with power 3 or less. Set/Rarity: Battle for Zendikar common Price: $0.04

Name: Complex Automaton Cost: 4 Type: Artifact Creature -- Golem Pow/Tgh: 4/4 Rules Text: At the beginning of your upkeep, if you control seven or more permanents, return this creature to its owner's hand. Set/Rarity: Nemesis rare Price: $0.28

Name: Component Pouch Cost: 3 Type: Artifact Rules Text: {T}, Remove a component counter from this artifact: Add two mana of different colors. {T}: Roll a d20. 1--9 | Put a component counter on this artifact. 10--20 | Put two component counters on this artifact. Set/Rarity: The List uncommon, Forgotten Realms Commander uncommon Price: $3.48

Name: Compulsory Rest Cost: 1W Type: Enchantment -- Aura Rules Text: Enchant creature Enchanted creature can't attack or block. Enchanted creature has "{2}, Sacrifice this creature: You gain 2 life." Set/Rarity: Amonkhet common, Amonkhet Remastered common, Pioneer Masters common Price: $0.03

Name: Concealed Courtyard Type: Land Rules Text: This land enters tapped unless you control two or fewer other lands. {T}: Add {W} or {B}. Set/Rarity: Kaladesh Promos rare, Kaladesh rare, Secret Lair Drop rare, Kaladesh Remastered rare, Outlaws of Thunder Junction rare, Outlaws of Thunder Junction Promos rare Price: $0.76

Name: Concealing Curtains Cost: B Type: Creature -- Wall Pow/Tgh: 0/4 Rules Text: Defender {2}{B}: Transform this creature. Activate only as a sorcery. [Front face. Transforms into Revealing Eye.] Set/Rarity: Magic Online Promos rare, Innistrad: Crimson Vow rare, Innistrad: Crimson Vow Promos rare, Innistrad: Double Feature rare Price: $0.19

Name: Conceited Witch Cost: 2B Type: Creature -- Human Warlock Pow/Tgh: 2/3 Rules Text: Menace (This creature can't be blocked except by two or more creatures.) [Related to Price of Beauty.] Set/Rarity: Wilds of Eldraine common Price: $0.07

Name: Concerted Effort Cost: 2WW Type: Enchantment Rules Text: At the beginning of each upkeep, creatures you control gain flying until end of turn if a creature you control has flying. The same is true for fear, first strike, double strike, landwalk, protection, trample, and vigilance. Set/Rarity: Ravnica: City of Guilds rare Price: $7.60

Name: Concession Stand Type: Artifact -- Attraction Rules Text: Visit -- Create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this artifact: You gain 3 life.") Set/Rarity: Unfinity uncommon Price: $0.13

Name: Conch Horn Cost: 2 Type: Artifact Rules Text: {1}, {T}, Sacrifice this artifact: Draw two cards, then put a card from your hand on top of your library. Set/Rarity: Fallen Empires rare Price: $1.94