| Cut // RibbonsAmonkhet Remastered · 231 | Amonkhet Remastered | 231 | Rare | — |
| Cut ShortMarch of the Machine · 10 | March of the Machine | 10 | Common | €0.10 |
| Cut Short // Cut ShortMarch of the Machine Art Series · 3 | March of the Machine Art Series | 3 | — | — |
| Cut the Earthly BondSaviors of Kamigawa · 32 | Saviors of Kamigawa | 32 | Common | €0.05 |
| Cut the TethersChampions of Kamigawa · 56 | Champions of Kamigawa | 56 | Uncommon | €0.05 |
| Cutthroat CenturionPhyrexia: All Will Be One · 89 | Phyrexia: All Will Be One | 89 | Common | €0.04 |
| Cutthroat ContenderStreets of New Capenna · 73 | Streets of New Capenna | 73 | Common | €0.07 |
| Cutthroat il-DalFuture Sight · 64 | Future Sight | 64 | Common | €0.06 |
| Cutthroat il-DalTime Spiral Remastered · 105 | Time Spiral Remastered | 105 | Common | €0.02 |
| Cutthroat ManeuverTheros · 82 | Theros | 82 | Uncommon | €0.03 |
| Cutthroat NegotiatorMarch of the Machine Commander · 40 | March of the Machine Commander | 40 | Rare | $0.40 |
| Cutthroat NegotiatorMarch of the Machine Commander · 127 | March of the Machine Commander | 127 | Rare | €0.31 |
| Cut Your LossesStreets of New Capenna Promos · 38p | Streets of New Capenna Promos | 38p | Rare | €0.55 |
| Cut Your LossesStreets of New Capenna Promos · 38s | Streets of New Capenna Promos | 38s | Rare | €1.13 |
| Cut Your LossesStreets of New Capenna · 38 | Streets of New Capenna | 38 | Rare | €0.46 |
| Cut Your LossesStreets of New Capenna · 410 | Streets of New Capenna | 410 | Rare | €0.87 |
| Cut Your LossesMagic Online Promos · 99753 | Magic Online Promos | 99753 | Rare | — |
| Cyan, Vengeful SamuraiFinal Fantasy Commander · 16 | Final Fantasy Commander | 16 | Rare | €0.13 |
| Cyan, Vengeful SamuraiFinal Fantasy Commander · 132 | Final Fantasy Commander | 132 | Rare | €0.42 |
| Cyber ConversionDoctor Who · 38 | Doctor Who | 38 | Rare | €1.59 |
| Cyber ConversionDoctor Who · 355 | Doctor Who | 355 | Rare | €1.99 |
| Cyber ConversionDoctor Who · 643 | Doctor Who | 643 | Rare | €2.75 |
| Cyber ConversionDoctor Who · 946 | Doctor Who | 946 | Rare | €4.83 |
| Cyberdrive AwakenerEdge of Eternities Commander · 69 | Edge of Eternities Commander | 69 | Rare | $2.66 |
| Cyberdrive AwakenerMarvel Universe · 53 | Marvel Universe | 53 | Mythic Rare | €2.09 |
| Cyberdrive AwakenerNeon Dynasty Commander · 12 | Neon Dynasty Commander | 12 | Rare | €2.25 |
| Cyberdrive AwakenerNeon Dynasty Commander · 48 | Neon Dynasty Commander | 48 | Rare | €2.56 |
| Cyberdrive AwakenerMagic Online Promos · 97915 | Magic Online Promos | 97915 | Rare | — |
| CybermanDoctor Who Tokens · 24 | Doctor Who Tokens | 24 | — | €0.81 |
| CybermanDoctor Who Tokens · 56 | Doctor Who Tokens | 56 | — | — |
| Cyberman PatrolDoctor Who · 174 | Doctor Who | 174 | Uncommon | €11.17 |
| Cyberman PatrolDoctor Who · 550 | Doctor Who | 550 | Uncommon | $14.40 |
| Cyberman PatrolDoctor Who · 779 | Doctor Who | 779 | Uncommon | €18.58 |
| Cyberman PatrolDoctor Who · 1141 | Doctor Who | 1141 | Uncommon | €37.36 |
| CybermatDoctor Who · 175 | Doctor Who | 175 | Uncommon | €0.14 |
| CybermatDoctor Who · 780 | Doctor Who | 780 | Uncommon | €1.79 |
| Cybermen SquadronDoctor Who · 176 | Doctor Who | 176 | Rare | €16.74 |
| Cybermen SquadronDoctor Who · 457 | Doctor Who | 457 | Rare | €22.45 |
| Cybermen SquadronDoctor Who · 781 | Doctor Who | 781 | Rare | €18.16 |
| Cybermen SquadronDoctor Who · 1048 | Doctor Who | 1048 | Rare | €32.77 |
| Cybernetica DatasmithWarhammer 40,000 Commander · 114 | Warhammer 40,000 Commander | 114 | Rare | $0.32 |
| Cybernetica DatasmithWarhammer 40,000 Commander · 114★ | Warhammer 40,000 Commander | 114★ | Rare | $0.69 |
| CybershipDoctor Who · 177 | Doctor Who | 177 | Rare | $0.53 |
| CybershipDoctor Who · 458 | Doctor Who | 458 | Rare | €1.51 |
| CybershipDoctor Who · 782 | Doctor Who | 782 | Rare | €1.29 |
| CybershipDoctor Who · 1049 | Doctor Who | 1049 | Rare | €1.95 |
| Cyber Simulacrum // Cyber Simulacrum (cont'd)Kamigawa: Neon Dynasty Minigames · 3 | Kamigawa: Neon Dynasty Minigames | 3 | — | — |
| Cyber Simulacrum // Cyber Simulacrum (cont'd)Phyrexia: All Will Be One Minigames · 3 | Phyrexia: All Will Be One Minigames | 3 | — | — |
| Cycle of LifeMirage · 211 | Mirage | 211 | Rare | $0.69 |
| Cycle of RenewalAvatar: The Last Airbender · 170 | Avatar: The Last Airbender | 170 | Common | €0.12 |