| Clash of ElementsReality Fracture · 126 | Reality Fracture | 126 | Uncommon | €0.12 |
| Clash of the EikonsFinal Fantasy · 180 | Final Fantasy | 180 | Uncommon | €0.10 |
| Clash of the EikonsFinal Fantasy · 341 | Final Fantasy | 341 | Uncommon | €0.35 |
| Clash of TitansIkoria: Lair of Behemoths · 111 | Ikoria: Lair of Behemoths | 111 | Uncommon | €0.06 |
| Clash of WillsMagic Origins · 49 | Magic Origins | 49 | Uncommon | €0.18 |
| Clash of WillsMagic Online Promos · 59671 | Magic Online Promos | 59671 | Uncommon | — |
| Clattering AugurModern Horizons 2 · 79 | Modern Horizons 2 | 79 | Uncommon | €0.14 |
| Clattering AugurJumpstart: Historic Horizons · 305 | Jumpstart: Historic Horizons | 305 | Uncommon | — |
| Claws of GixUrza's Saga · 290 | Urza's Saga | 290 | Uncommon | €8.03 |
| Claws of GixThe List Tokens · USG-290 | The List Tokens | USG-290 | Uncommon | — |
| Claws of WirewoodScourge · 114 | Scourge | 114 | Uncommon | $0.14 |
| Claws OutFoundations · 6 | Foundations | 6 | Uncommon | €0.21 |
| Clay-Fired Bricks // Cosmium KilnThe Lost Caverns of Ixalan · 6 | The Lost Caverns of Ixalan | 6 | Uncommon | €0.09 |
| Clay GolemForgotten Realms Commander · 58 | Forgotten Realms Commander | 58 | Uncommon | €0.25 |
| Clay PigeonUnglued · 73 | Unglued | 73 | Uncommon | €0.38 |
| Clay StatueMasters Edition IV · 189 | Masters Edition IV | 189 | Uncommon | — |
| CleanfallChampions of Kamigawa · 6 | Champions of Kamigawa | 6 | Uncommon | €0.14 |
| Cleansing BeamCommander Anthology · 78 | Commander Anthology | 78 | Uncommon | €0.06 |
| Cleansing BeamCommander 2011 · 116 | Commander 2011 | 116 | Uncommon | €0.07 |
| Cleansing BeamRavnica: City of Guilds · 118 | Ravnica: City of Guilds | 118 | Uncommon | €0.08 |
| Cleansing MeditationTorment · 3 | Torment | 3 | Uncommon | €3.56 |
| Cleanup CrewStreets of New Capenna · 141 | Streets of New Capenna | 141 | Uncommon | €0.11 |
| ClearUrza's Saga · 7 | Urza's Saga | 7 | Uncommon | $0.34 |
| Clear ShotInnistrad: Double Feature · 176 | Innistrad: Double Feature | 176 | Uncommon | €0.12 |
| Clear ShotEldritch Moon · 152 | Eldritch Moon | 152 | Uncommon | €0.06 |
| Clear ShotInnistrad Remastered · 188 | Innistrad Remastered | 188 | Uncommon | €0.08 |
| Clear ShotFoundations Jumpstart · 645 | Foundations Jumpstart | 645 | Uncommon | €0.06 |
| Clear ShotInnistrad: Midnight Hunt · 176 | Innistrad: Midnight Hunt | 176 | Uncommon | €0.03 |
| Clear ShotBreaking News · 28 | Breaking News | 28 | Uncommon | €0.06 |
| Clear ShotThe List Tokens · MID-176 | The List Tokens | MID-176 | Uncommon | — |
| Clear ShotPioneer Masters · 168 | Pioneer Masters | 168 | Uncommon | — |
| Clear ShotShadows over Innistrad Remastered · 189 | Shadows over Innistrad Remastered | 189 | Uncommon | — |
| Clear, the MindUnknown Event · UU11a | Unknown Event | UU11a | Uncommon | — |
| Clear the StageRavnica Allegiance · 68 | Ravnica Allegiance | 68 | Uncommon | $0.05 |
| Cleaver RiotDuel Decks: Merfolk vs. Goblins · 36 | Duel Decks: Merfolk vs. Goblins | 36 | Uncommon | €0.08 |
| Cleaver RiotMagic 2013 · 125 | Magic 2013 | 125 | Uncommon | €0.07 |
| Cleaving SkyriderDominaria United · 12 | Dominaria United | 12 | Uncommon | €0.06 |
| Cleon, Merry ChampionFoundations Jumpstart · 47 | Foundations Jumpstart | 47 | Uncommon | €0.20 |
| Cleric ClassAdventures in the Forgotten Realms · 6 | Adventures in the Forgotten Realms | 6 | Uncommon | $2.21 |
| Cleric ClassThe List Tokens · AFR-6 | The List Tokens | AFR-6 | Uncommon | $0.98 |
| Cleric of Life's BondZendikar Rising · 222 | Zendikar Rising | 222 | Uncommon | €0.12 |
| Clever ComboUnstable · 105 | Unstable | 105 | Uncommon | €0.07 |
| Clever LumimancerStrixhaven: School of Mages · 10 | Strixhaven: School of Mages | 10 | Uncommon | $0.18 |
| Cliffhaven VampireOath of the Gatewatch · 153 | Oath of the Gatewatch | 153 | Uncommon | €0.51 |
| Cliffside RescuerCommander 2019 · 1 | Commander 2019 | 1 | Uncommon | €0.21 |
| Clifftop LookoutBloomburrow · 168 | Bloomburrow | 168 | Uncommon | €0.16 |
| Clifftop LookoutFoundations Commander · 195 | Foundations Commander | 195 | Uncommon | €0.20 |
| Cling to DustThe List Tokens · THB-87 | The List Tokens | THB-87 | Uncommon | $0.27 |
| Cling to DustTheros Beyond Death · 87 | Theros Beyond Death | 87 | Uncommon | $0.33 |
| Clinquant SkymageFoundations · 33 | Foundations | 33 | Uncommon | €0.10 |