| Cunning GeysermageZendikar Rising · 55 | Zendikar Rising | 55 | Common | $0.04 |
| Cunning ManeuverAvatar: The Last Airbender · 130 | Avatar: The Last Airbender | 130 | Common | €0.16 |
| Cunning StrikeFate Reforged · 150 | Fate Reforged | 150 | Common | €0.06 |
| Cunning SurvivorHour of Devastation · 33 | Hour of Devastation | 33 | Common | €0.16 |
| Cuombajj WitchesArabian Nights · 23 | Arabian Nights | 23 | Common | €8.08 |
| Cuombajj WitchesAnthologies · 21 | Anthologies | 21 | Common | $0.35 |
| Cuombajj WitchesChronicles Foreign Black Border · 31 | Chronicles Foreign Black Border | 31 | Common | €2.60 |
| Cuombajj WitchesChronicles · 31 | Chronicles | 31 | Common | €0.12 |
| Cuombajj WitchesRinascimento · 50 | Rinascimento | 50 | Common | €0.24 |
| Cuombajj WitchesMasters Edition · 65 | Masters Edition | 65 | Common | — |
| Cuombajj WitchesMagic Online Promos · 65652 | Magic Online Promos | 65652 | Common | — |
| CurateThe Brothers' War · 44 | The Brothers' War | 44 | Common | €0.09 |
| CurateMurders at Karlov Manor Commander · 99 | Murders at Karlov Manor Commander | 99 | Common | €0.21 |
| CurateStrixhaven: School of Mages · 40 | Strixhaven: School of Mages | 40 | Common | €0.08 |
| CurfewBattle Royale Box Set · 17 | Battle Royale Box Set | 17 | Common | $1.21 |
| CurfewUrza's Saga · 68 | Urza's Saga | 68 | Common | $0.37 |
| Curious Farm AnimalsAvatar: The Last Airbender · 14 | Avatar: The Last Airbender | 14 | Common | $0.13 |
| Curious KillbotUnstable · 145a | Unstable | 145a | Common | €0.10 |
| Curious Pair // Treats to ShareThrone of Eldraine · 150 | Throne of Eldraine | 150 | Common | €0.10 |
| Curious Pair // Treats to ShareThrone of Eldraine · 296 | Throne of Eldraine | 296 | Common | $0.20 |
| Curious Pair // Treats to ShareThe List Tokens · ELD-296 | The List Tokens | ELD-296 | Common | €0.22 |
| Curious Pair // Treats to ShareMagic Online Promos · 78754 | Magic Online Promos | 78754 | Common | — |
| Curio VendorKaladesh · 42 | Kaladesh | 42 | Common | $0.02 |
| Curio VendorThe List Tokens · KLD-42 | The List Tokens | KLD-42 | Common | €0.05 |
| CursebreakAvacyn Restored · 14 | Avacyn Restored | 14 | Common | €0.14 |
| Cursed Firebreathing YogurtUnfinity Sticker Sheets · 22 | Unfinity Sticker Sheets | 22 | Common | €0.22 |
| Cursed FleshExodus · 56 | Exodus | 56 | Common | $0.11 |
| Cursed FleshInvasion · 98 | Invasion | 98 | Common | €0.05 |
| Cursed FleshThe List Tokens · EXO-56 | The List Tokens | EXO-56 | Common | $0.12 |
| Cursed FleshTempest Remastered · 91 | Tempest Remastered | 91 | Common | — |
| Cursed MinotaurAmonkhet · 85 | Amonkhet | 85 | Common | €0.11 |
| Cursed MinotaurThe List Tokens · AKH-85 | The List Tokens | AKH-85 | Common | $0.08 |
| Cursed RackRinascimento · 114 | Rinascimento | 114 | Common | €0.34 |
| Cursed RackRenaissance · 126 | Renaissance | 126 | Common | €0.09 |
| Cursed RoninChampions of Kamigawa · 107 | Champions of Kamigawa | 107 | Common | €0.11 |
| Curse of ChainsRavnica: Clue Edition · 183 | Ravnica: Clue Edition | 183 | Common | $0.23 |
| Curse of ChainsShadowmoor · 139 | Shadowmoor | 139 | Common | $0.30 |
| Curse of OblivionInnistrad · 95 | Innistrad | 95 | Common | $0.16 |
| Curse of the Bloody TomeInnistrad · 50 | Innistrad | 50 | Common | $0.22 |
| Curse of the Bloody TomeMagic Online Promos · 42870 | Magic Online Promos | 42870 | Common | — |
| Curse of the Pierced HeartInnistrad · 138 | Innistrad | 138 | Common | €0.25 |
| Curse of the WerefoxWilds of Eldraine · 167 | Wilds of Eldraine | 167 | Common | €0.07 |
| Curtain of LightSaviors of Kamigawa · 6 | Saviors of Kamigawa | 6 | Common | €0.08 |
| Custodian of the TroveDragons of Tarkir · 236 | Dragons of Tarkir | 236 | Common | $0.04 |
| Custodi PeacekeeperConspiracy: Take the Crown · 14 | Conspiracy: Take the Crown | 14 | Common | $0.04 |
| Custodi SquireConspiracy · 18 | Conspiracy | 18 | Common | €0.10 |
| Custodi SquireCommander Masters · 19 | Commander Masters | 19 | Common | €0.06 |
| Custodi SquireThe List Tokens · CNS-18 | The List Tokens | CNS-18 | Common | $0.08 |
| Custodi SquireCrimson Vow Commander · 83 | Crimson Vow Commander | 83 | Common | $0.13 |
| Custodi SquireTreasure Chest · 65781 | Treasure Chest | 65781 | Common | — |