| ClambassadorsUnglued · 18 | Unglued | 18 | Common | €0.22 |
| Clam-I-AmUnglued · 19 | Unglued | 19 | Common | €0.24 |
| Clamilton EstateBlack Lotus Unknown Planechase · PLA012 | Black Lotus Unknown Planechase | PLA012 | Common | — |
| Clammy ProwlerDuskmourn: House of Horror · 45 | Duskmourn: House of Horror | 45 | Common | €0.10 |
| Clamorous IroncladAetherdrift · 117 | Aetherdrift | 117 | Common | €0.05 |
| Clamorous IroncladAetherdrift · 312 | Aetherdrift | 312 | Common | €0.08 |
| Clam SessionUnglued · 20 | Unglued | 20 | Common | €0.13 |
| Clarion CatharsInnistrad: Double Feature · 14 | Innistrad: Double Feature | 14 | Common | €0.07 |
| Clarion CatharsInnistrad: Midnight Hunt · 14 | Innistrad: Midnight Hunt | 14 | Common | €0.06 |
| Clattering SkeletonsAdventures in the Forgotten Realms · 93 | Adventures in the Forgotten Realms | 93 | Common | €0.06 |
| Clattering SkeletonsAdventures in the Forgotten Realms · 312 | Adventures in the Forgotten Realms | 312 | Common | $0.16 |
| ClaustrophobiaBattlebond · 115 | Battlebond | 115 | Common | €0.02 |
| ClaustrophobiaDuel Decks: Jace vs. Vraska · 27 | Duel Decks: Jace vs. Vraska | 27 | Common | €0.03 |
| ClaustrophobiaDuel Decks: Merfolk vs. Goblins · 3 | Duel Decks: Merfolk vs. Goblins | 3 | Common | $0.07 |
| ClaustrophobiaGame Night 2019 · 17 | Game Night 2019 | 17 | Common | €0.08 |
| ClaustrophobiaGame Night · 20 | Game Night | 20 | Common | €0.07 |
| ClaustrophobiaIconic Masters · 45 | Iconic Masters | 45 | Common | €0.03 |
| ClaustrophobiaInnistrad · 48 | Innistrad | 48 | Common | €0.05 |
| ClaustrophobiaMagic 2014 · 46 | Magic 2014 | 46 | Common | €0.05 |
| ClaustrophobiaMagic Origins · 50 | Magic Origins | 50 | Common | €0.04 |
| ClaustrophobiaThe List Tokens · DDT-3 | The List Tokens | DDT-3 | Common | €0.08 |
| Clawing TormentKamigawa: Neon Dynasty · 91 | Kamigawa: Neon Dynasty | 91 | Common | €0.11 |
| Claws of ValakutDuel Decks: Knights vs. Dragons · 72 | Duel Decks: Knights vs. Dragons | 72 | Common | €0.21 |
| Claws of ValakutWorldwake · 75 | Worldwake | 75 | Common | $0.21 |
| Claws of WirewoodVintage Masters · 201 | Vintage Masters | 201 | Common | — |
| Clay RevenantThe Brothers' War · 118 | The Brothers' War | 118 | Common | €0.10 |
| Clay StatueFourth Edition Foreign Black Border · 305 | Fourth Edition Foreign Black Border | 305 | Common | €0.16 |
| Clay StatueFourth Edition · 305 | Fourth Edition | 305 | Common | $0.11 |
| Clay StatueFifth Edition · 355 | Fifth Edition | 355 | Common | $0.11 |
| Clay StatueAntiquities · 44 | Antiquities | 44 | Common | $0.61 |
| Clay StatueRinascimento · 109 | Rinascimento | 109 | Common | €0.19 |
| Clay StatueRenaissance · 120 | Renaissance | 120 | Common | €0.05 |
| Cleansing RayRivals of Ixalan · 4 | Rivals of Ixalan | 4 | Common | $0.03 |
| Cleansing ScreechGlobal Series Jiang Yanggu & Mu Yanling Tokens · 37 | Global Series Jiang Yanggu & Mu Yanling Tokens | 37 | Common | $0.15 |
| Cleansing ScreechThe List Tokens · GS1-37 | The List Tokens | GS1-37 | Common | €0.09 |
| Cleansing ScreechTreasure Chest · 70865 | Treasure Chest | 70865 | Common | — |
| Cleansing WildfireZendikar Rising · 137 | Zendikar Rising | 137 | Common | $0.65 |
| Clear a PathDragon's Maze · 32 | Dragon's Maze | 32 | Common | €0.02 |
| Clear a PathMagic 2015 · 136 | Magic 2015 | 136 | Common | €0.03 |
| Clear ShotDouble Masters · 159 | Double Masters | 159 | Common | €0.06 |
| Clear the MindThe List Tokens · RNA-34 | The List Tokens | RNA-34 | Common | €0.14 |
| Clear the MindRavnica Allegiance · 34 | Ravnica Allegiance | 34 | Common | €0.17 |
| Cleaving SliverCommander Masters · 877 | Commander Masters | 877 | Common | €0.20 |
| Cleaving SliverModern Horizons · 121 | Modern Horizons | 121 | Common | €0.13 |
| Cleaving SliverJumpstart: Historic Horizons · 430 | Jumpstart: Historic Horizons | 430 | Common | — |
| Clergy en-VecTempest · 14 | Tempest | 14 | Common | €0.08 |
| Clergy of the Holy NimbusLegends · 6 | Legends | 6 | Common | $0.53 |
| Cleric of Chill DepthsZendikar Rising · 51 | Zendikar Rising | 51 | Common | €0.09 |
| Cleric of the Forward OrderDominaria Remastered · 3 | Dominaria Remastered | 3 | Common | €0.02 |
| Cleric of the Forward OrderMagic Origins · 10 | Magic Origins | 10 | Common | $0.03 |