| Claim JumperOutlaws of Thunder Junction Promos · 8p | Outlaws of Thunder Junction Promos | 8p | Rare | €0.88 |
| Claim JumperOutlaws of Thunder Junction Promos · 8s | Outlaws of Thunder Junction Promos | 8s | Rare | €1.62 |
| Claim JumperSecrets of Strixhaven Commander · 140 | Secrets of Strixhaven Commander | 140 | Rare | $0.38 |
| Claire D'Loon, Joy SculptorUnfinity · 165 | Unfinity | 165 | Rare | €0.13 |
| Claire D'Loon, Joy SculptorUnfinity · 258 | Unfinity | 258 | Rare | €0.15 |
| Claire D'Loon, Joy SculptorUnfinity · 451 | Unfinity | 451 | Rare | $0.33 |
| Claire D'Loon, Joy SculptorUnfinity · 509 | Unfinity | 509 | Rare | $0.24 |
| ClamavusWarhammer 40,000 Commander · 90 | Warhammer 40,000 Commander | 90 | Rare | $1.83 |
| ClamavusWarhammer 40,000 Commander · 90★ | Warhammer 40,000 Commander | 90★ | Rare | $6.63 |
| Clan DefianceCommander 2016 · 187 | Commander 2016 | 187 | Rare | $0.28 |
| Clan DefianceRavnica: Clue Edition · 182 | Ravnica: Clue Edition | 182 | Rare | €0.16 |
| Clan DefianceGatecrash · 151 | Gatecrash | 151 | Rare | €0.18 |
| Clan DefianceStarter Commander Decks · 220 | Starter Commander Decks | 220 | Rare | $0.12 |
| Clara OswaldDoctor Who · 9 | Doctor Who | 9 | Rare | €0.24 |
| Clara OswaldDoctor Who · 332 | Doctor Who | 332 | Rare | €1.75 |
| Clara OswaldDoctor Who · 614 | Doctor Who | 614 | Rare | €4.51 |
| Clara OswaldDoctor Who · 923 | Doctor Who | 923 | Rare | €5.65 |
| Clarion ConquerorTarkir: Dragonstorm Promos · 5p | Tarkir: Dragonstorm Promos | 5p | Rare | $2.09 |
| Clarion ConquerorTarkir: Dragonstorm Promos · 5s | Tarkir: Dragonstorm Promos | 5s | Rare | €3.10 |
| Clarion ConquerorTarkir: Dragonstorm · 5 | Tarkir: Dragonstorm | 5 | Rare | €3.00 |
| Clarion Conqueror // Clarion ConquerorTarkir: Dragonstorm · 377 | Tarkir: Dragonstorm | 377 | Rare | €3.44 |
| Clarion UltimatumShards of Alara · 163 | Shards of Alara | 163 | Rare | €0.23 |
| Clash of RealitiesBetrayers of Kamigawa · 97 | Betrayers of Kamigawa | 97 | Rare | €0.19 |
| Clash of WillsFriday Night Magic 2016 · 2 | Friday Night Magic 2016 | 2 | Rare | €0.26 |
| CleanseLegends · 5 | Legends | 5 | Rare | €73.72 |
| CleanseMasters Edition III · 5 | Masters Edition III | 5 | Rare | — |
| CleansingThe Dark · 4 | The Dark | 4 | Rare | €10.42 |
| Cleansing NovaCommander 2020 · 83 | Commander 2020 | 83 | Rare | €0.15 |
| Cleansing NovaCommander 2021 · 86 | Commander 2021 | 86 | Rare | €0.35 |
| Cleansing NovaCommander Masters · 817 | Commander Masters | 817 | Rare | €0.25 |
| Cleansing NovaFinal Fantasy Commander · 235 | Final Fantasy Commander | 235 | Rare | €0.26 |
| Cleansing NovaKaldheim Commander · 20 | Kaldheim Commander | 20 | Rare | €0.30 |
| Cleansing NovaCore Set 2019 · 9 | Core Set 2019 | 9 | Rare | €0.19 |
| Cleansing NovaMidnight Hunt Commander · 82 | Midnight Hunt Commander | 82 | Rare | $0.38 |
| Cleansing NovaMarvel Super Heroes Commander · 124 | Marvel Super Heroes Commander | 124 | Rare | €0.21 |
| Cleansing NovaCore Set 2019 Promos · 9p | Core Set 2019 Promos | 9p | Rare | $0.95 |
| Cleansing NovaCore Set 2019 Promos · 9s | Core Set 2019 Promos | 9s | Rare | €1.66 |
| Cleansing NovaStarter Commander Decks · 12 | Starter Commander Decks | 12 | Rare | €0.28 |
| Cleansing NovaSecret Lair Drop Tokens · 730 | Secret Lair Drop Tokens | 730 | Rare | €0.91 |
| Cleansing NovaSecret Lair Drop Tokens · 1251 | Secret Lair Drop Tokens | 1251 | Rare | €1.12 |
| Cleansing NovaThe List Tokens · C21-86 | The List Tokens | C21-86 | Rare | €0.53 |
| Cleansing NovaFoundations Commander · 20 | Foundations Commander | 20 | Rare | €0.19 |
| Cleansing NovaMarvel Super Heroes Commander · 297 | Marvel Super Heroes Commander | 297 | Rare | €0.46 |
| Clear, Fair MagicUnknown Event · RG12b | Unknown Event | RG12b | Rare | — |
| Clear the LandMercadian Masques · 235 | Mercadian Masques | 235 | Rare | €0.56 |
| Clearwater GobletFifth Dawn · 109 | Fifth Dawn | 109 | Rare | €0.35 |
| Clearwater GobletThe List Tokens · 5DN-109 | The List Tokens | 5DN-109 | Rare | €0.37 |
| Clearwater Pathway // Murkwater PathwayZendikar Rising Promos · 260s | Zendikar Rising Promos | 260s | Rare | €7.07 |
| Clearwater Pathway // Murkwater PathwaySecret Lair: Ultimate Edition · 15 | Secret Lair: Ultimate Edition | 15 | Rare | €7.97 |
| Clearwater Pathway // Murkwater PathwayThe List Tokens · ZNR-260 | The List Tokens | ZNR-260 | Rare | $4.84 |