| Clearwater Pathway // Murkwater PathwayZendikar Rising · 260 | Zendikar Rising | 260 | Rare | $4.88 |
| Clearwater Pathway // Murkwater PathwayZendikar Rising · 286 | Zendikar Rising | 286 | Rare | $4.50 |
| Clearwater Pathway // Murkwater PathwayMagic Online Promos · 83858 | Magic Online Promos | 83858 | Rare | — |
| Cleaver BlowMystery Booster 2 Tokens · 542 | Mystery Booster 2 Tokens | 542 | Rare | $0.18 |
| Cleaver SkaabMidnight Hunt Commander · 11 | Midnight Hunt Commander | 11 | Rare | €4.28 |
| Cleaver SkaabMidnight Hunt Commander · 49 | Midnight Hunt Commander | 49 | Rare | €0.50 |
| Cleaver SkaabSecret Lair Drop Tokens · 834 | Secret Lair Drop Tokens | 834 | Rare | $2.74 |
| Cleaver SkaabMagic Online Promos · 93924 | Magic Online Promos | 93924 | Rare | — |
| Cleaving ReaperKaldheim · 376 | Kaldheim | 376 | Rare | €0.16 |
| Cleaving ReaperKaldheim Promos · 376★ | Kaldheim Promos | 376★ | Rare | $0.28 |
| Clement, the WorrywortBloomburrow · 209 | Bloomburrow | 209 | Rare | €0.24 |
| Clement, the WorrywortBloomburrow · 329 | Bloomburrow | 329 | Rare | €0.69 |
| Clement, the WorrywortBloomburrow · 347 | Bloomburrow | 347 | Rare | $101.13 |
| Clement, the WorrywortBloomburrow Promos · 209p | Bloomburrow Promos | 209p | Rare | €0.31 |
| Clement, the WorrywortBloomburrow Promos · 209s | Bloomburrow Promos | 209s | Rare | $0.48 |
| Clever ConcealmentFinal Fantasy Commander · 236 | Final Fantasy Commander | 236 | Rare | $3.54 |
| Clever ConcealmentMarvel Super Heroes Commander · 125 | Marvel Super Heroes Commander | 125 | Rare | €4.67 |
| Clever ConcealmentPhyrexia: All Will Be One Commander · 5 | Phyrexia: All Will Be One Commander | 5 | Rare | €9.19 |
| Clever ConcealmentPhyrexia: All Will Be One Commander · 43 | Phyrexia: All Will Be One Commander | 43 | Rare | €9.64 |
| Clever ConcealmentThe List Tokens · ONC-5 | The List Tokens | ONC-5 | Rare | $8.84 |
| Clever ConcealmentMarvel Super Heroes Commander · 298 | Marvel Super Heroes Commander | 298 | Rare | €5.89 |
| ClickslitherDuel Decks: Elves vs. Goblins · 34 | Duel Decks: Elves vs. Goblins | 34 | Rare | €0.17 |
| ClickslitherDuel Decks Anthology: Elves vs. Goblins · 34 | Duel Decks Anthology: Elves vs. Goblins | 34 | Rare | $0.26 |
| ClickslitherLegions · 90 | Legions | 90 | Rare | $0.30 |
| ClickslitherVintage Masters · 156 | Vintage Masters | 156 | Rare | — |
| Cliffrunner BehemothConflux · 79 | Conflux | 79 | Rare | €0.16 |
| Clifftop RetreatBloomburrow Commander · 300 | Bloomburrow Commander | 300 | Rare | $0.30 |
| Clifftop RetreatDominaria Remastered · 241 | Dominaria Remastered | 241 | Rare | $0.43 |
| Clifftop RetreatDominaria · 239 | Dominaria | 239 | Rare | $0.50 |
| Clifftop RetreatDominaria Remastered · 393 | Dominaria Remastered | 393 | Rare | $0.79 |
| Clifftop RetreatEdge of Eternities Commander · 155 | Edge of Eternities Commander | 155 | Rare | $0.27 |
| Clifftop RetreatFinal Fantasy Commander · 381 | Final Fantasy Commander | 381 | Rare | $0.25 |
| Clifftop RetreatInnistrad · 238 | Innistrad | 238 | Rare | $0.73 |
| Clifftop RetreatThe Lost Caverns of Ixalan Commander · 324 | The Lost Caverns of Ixalan Commander | 324 | Rare | $0.32 |
| Clifftop RetreatTales of Middle-earth Commander · 300 | Tales of Middle-earth Commander | 300 | Rare | $0.37 |
| Clifftop RetreatMarvel Super Heroes Commander · 231 | Marvel Super Heroes Commander | 231 | Rare | $0.28 |
| Clifftop RetreatOutlaws of Thunder Junction Commander · 278 | Outlaws of Thunder Junction Commander | 278 | Rare | €0.55 |
| Clifftop RetreatDominaria Promos · 239p | Dominaria Promos | 239p | Rare | €1.67 |
| Clifftop RetreatDominaria Promos · 239s | Dominaria Promos | 239s | Rare | €2.11 |
| Clifftop RetreatFallout · 258 | Fallout | 258 | Rare | $0.37 |
| Clifftop RetreatFallout · 491 | Fallout | 491 | Rare | €3.55 |
| Clifftop RetreatFallout · 786 | Fallout | 786 | Rare | €2.23 |
| Clifftop RetreatFallout · 1019 | Fallout | 1019 | Rare | $8.44 |
| Clifftop RetreatSecrets of Strixhaven Commander · 366 | Secrets of Strixhaven Commander | 366 | Rare | $0.34 |
| Clifftop RetreatTarkir: Dragonstorm Commander · 351 | Tarkir: Dragonstorm Commander | 351 | Rare | $0.29 |
| Clifftop RetreatThe List Tokens · DOM-239 | The List Tokens | DOM-239 | Rare | €0.74 |
| Clifftop RetreatAlchemy: Edge of Eternities · 31 | Alchemy: Edge of Eternities | 31 | Rare | — |
| Clifftop RetreatReality Fracture Commander · 67 | Reality Fracture Commander | 67 | Rare | €0.23 |
| Clifftop RetreatMarvel Super Heroes Commander · 466 | Marvel Super Heroes Commander | 466 | Rare | €0.80 |
| Clive's HideawayFinal Fantasy · 275 | Final Fantasy | 275 | Rare | €0.30 |