Name: Circle of Affliction Cost: 1B Type: Enchantment Rules Text: As this enchantment enters, choose a color. Whenever a source of the chosen color deals damage to you, you may pay {1}. If you do, target player loses 1 life and you gain 1 life. Set/Rarity: Planar Chaos uncommon Price: $0.11

Name: Circle of Confinement Cost: 1W Type: Enchantment Rules Text: When this enchantment enters, exile target creature an opponent controls with mana value 3 or less until this enchantment leaves the battlefield. Whenever an opponent casts a Vampire spell with the same name as a card exiled with this enchantment, you gain 2 life. Set/Rarity: Innistrad: Crimson Vow uncommon, Innistrad: Double Feature uncommon Price: $0.07

Name: Circle of Despair Cost: 1WB Type: Enchantment Rules Text: {1}, Sacrifice a creature: The next time a source of your choice would deal damage to any target this turn, prevent that damage. Set/Rarity: Mirage rare Price: $3.07

Name: Circle of Power Cost: 3B Type: Sorcery Rules Text: You draw two cards and you lose 2 life. Create a 0/1 black Wizard creature token with "Whenever you cast a noncreature spell, this token deals 1 damage to each opponent." Wizards you control get +1/+0 and gain lifelink until end of turn. Set/Rarity: Final Fantasy uncommon Price: $0.15

Name: Circle of Protection: Artifacts Cost: 1W Type: Enchantment Rules Text: {2}: The next time an artifact source of your choice would deal damage to you this turn, prevent that damage. Set/Rarity: Antiquities uncommon, Fourth Edition Foreign Black Border uncommon, Fourth Edition uncommon, Renaissance uncommon, Rinascimento uncommon, Fifth Edition uncommon, Fifth Dawn uncommon Price: $0.17

Name: Circle of Protection: Black Cost: 1W Type: Enchantment Rules Text: {1}: The next time a black source of your choice would deal damage to you this turn, prevent that damage. Set/Rarity: Limited Edition Beta common, Unlimited Edition common, Intl. Collectors' Edition common, Collectors' Edition common, Revised Edition common, Foreign Black Border common, Summer Magic / Edgar common, Fourth Edition Foreign Black Border common, Fourth Edition common, Ice Age common, Pro Tour Collector Set common, Rivals Quick Start Set common, Introductory Two-Player Set common, Fifth Edition common, World Championship Decks 1997 common, Tempest common, Classic Sixth Edition common, World Championship Decks 2000 common, Seventh Edition common, Eighth Edition uncommon, Ninth Edition uncommon, 30th Anniversary Edition common Price: $0.09

Name: Circle of Protection: Blue Cost: 1W Type: Enchantment Rules Text: {1}: The next time a blue source of your choice would deal damage to you this turn, prevent that damage. Set/Rarity: Limited Edition Alpha common, Limited Edition Beta common, Unlimited Edition common, Intl. Collectors' Edition common, Collectors' Edition common, Revised Edition common, Foreign Black Border common, Summer Magic / Edgar common, Fourth Edition Foreign Black Border common, Fourth Edition common, Ice Age common, Fifth Edition common, Tempest common, Classic Sixth Edition common, Seventh Edition common, Eighth Edition uncommon, 30th Anniversary Edition common Price: $0.10

Name: Circle of Protection: Green Cost: 1W Type: Enchantment Rules Text: {1}: The next time a green source of your choice would deal damage to you this turn, prevent that damage. Set/Rarity: Limited Edition Alpha common, Limited Edition Beta common, Unlimited Edition common, Intl. Collectors' Edition common, Collectors' Edition common, Revised Edition common, Foreign Black Border common, Summer Magic / Edgar common, Fourth Edition Foreign Black Border common, Fourth Edition common, Ice Age common, Pro Tour Collector Set common, Fifth Edition common, Tempest common, Classic Sixth Edition common, Seventh Edition common, Eighth Edition uncommon, 30th Anniversary Edition common Price: $0.12

Name: Circle of Protection: Red Cost: 1W Type: Enchantment Rules Text: {1}: The next time a red source of your choice would deal damage to you this turn, prevent that damage. Set/Rarity: Limited Edition Alpha common, Limited Edition Beta common, Unlimited Edition common, Intl. Collectors' Edition common, Collectors' Edition common, Revised Edition common, Foreign Black Border common, Summer Magic / Edgar common, Fourth Edition Foreign Black Border common, Fourth Edition common, Ice Age common, Pro Tour Collector Set common, Rivals Quick Start Set common, Introductory Two-Player Set common, Fifth Edition common, World Championship Decks 1997 common, Tempest common, Classic Sixth Edition common, Seventh Edition common, Magic Online Promos common, Eighth Edition uncommon, World Championship Decks 2004 uncommon, Friday Night Magic 2005 rare, Ninth Edition uncommon, 30th Anniversary Edition common Price: $0.13

Name: Circle of Protection: Shadow Cost: 1W Type: Enchantment Rules Text: {1}: The next time a creature of your choice with shadow would deal damage to you this turn, prevent that damage. Set/Rarity: Tempest common Price: $0.21

Name: Circle of Protection: White Cost: 1W Type: Enchantment Rules Text: {1}: The next time a white source of your choice would deal damage to you this turn, prevent that damage. Set/Rarity: Limited Edition Alpha common, Limited Edition Beta common, Unlimited Edition common, Intl. Collectors' Edition common, Collectors' Edition common, Revised Edition common, Foreign Black Border common, Summer Magic / Edgar common, Fourth Edition Foreign Black Border common, Fourth Edition common, Ice Age common, Fifth Edition common, Tempest common, Classic Sixth Edition common, Seventh Edition common, Eighth Edition uncommon, 30th Anniversary Edition common Price: $0.11

Name: Circle of Solace Cost: 3W Type: Enchantment Rules Text: As this enchantment enters, choose a creature type. {1}{W}: The next time a creature of the chosen type would deal damage to you this turn, prevent that damage. Set/Rarity: Onslaught rare Price: $0.29

Name: Circling Vultures Cost: B Type: Creature -- Bird Pow/Tgh: 3/2 Rules Text: Flying You may discard this card any time you could cast an instant. At the beginning of your upkeep, sacrifice this creature unless you exile the top creature card of your graveyard. Set/Rarity: Weatherlight uncommon Price: $0.23

Name: Circuit Mender Cost: 3 Type: Artifact Creature -- Insect Pow/Tgh: 2/3 Rules Text: When this creature enters, you gain 2 life. When this creature leaves the battlefield, draw a card. Set/Rarity: The List uncommon, Kamigawa: Neon Dynasty uncommon, Jumpstart 2022 uncommon, Bloomburrow Commander uncommon Price: $0.16

Name: Cirith Ungol Patrol Cost: 4B Type: Creature -- Orc Soldier Pow/Tgh: 4/5 Rules Text: {1}, {T}, Sacrifice another creature: Draw a card, then create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this token: You gain 3 life.") Set/Rarity: The Lord of the Rings: Tales of Middle-earth common Price: $0.03

Name: Citadel Gate Type: Land -- Gate Rules Text: This land enters tapped. As this land enters, choose a color other than white. {T}: Add {W} or one mana of the chosen color. Set/Rarity: The List common, Commander Legends: Battle for Baldur's Gate common Price: $0.57

Name: Citadel Siege Cost: 2WW Type: Enchantment Rules Text: As this enchantment enters, choose Khans or Dragons. - Khans -- At the beginning of combat on your turn, put two +1/+1 counters on target creature you control. - Dragons -- At the beginning of combat on each opponent's turn, tap target creature that player controls. Set/Rarity: Fate Reforged rare, Commander 2016 rare, Commander Anthology Volume II rare, Commander 2021 rare, Midnight Hunt Commander rare Price: $0.20

Name: Citanul Flute Cost: 5 Type: Artifact Rules Text: {X}, {T}: Search your library for a creature card with mana value X or less, reveal it, put it into your hand, then shuffle. Set/Rarity: Urza's Saga rare, Tenth Edition rare Price: $2.75

Name: Citizen's Arrest Cost: 1WW Type: Enchantment Rules Text: When this enchantment enters, exile target creature or planeswalker an opponent controls until this enchantment leaves the battlefield. Set/Rarity: Dominaria United common Price: $0.02

Name: Citizen's Crowbar Cost: 1W Type: Artifact -- Equipment Rules Text: When this Equipment enters, create a 1/1 green and white Citizen creature token, then attach this Equipment to it. Equipped creature gets +1/+1 and has "{W}, {T}, Sacrifice Citizen's Crowbar: Destroy target artifact or enchantment." Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.) Set/Rarity: Streets of New Capenna uncommon Price: $0.09