| The Colossal DreadmawUnknown Event · RG06b | Unknown Event | RG06b | Rare | $39.00 |
| The Coming of GalactusMarvel Super Heroes · 212 | Marvel Super Heroes | 212 | Mythic Rare | $1.30 |
| The Coming of GalactusMarvel Super Heroes · 307 | Marvel Super Heroes | 307 | Mythic Rare | €1.61 |
| The Coming of Galactus // The Coming of GalactusMarvel Super Heroes Art Series · 20 | Marvel Super Heroes Art Series | 20 | — | — |
| The Commander RecommenderUnknown Event · RU05d | Unknown Event | RU05d | Rare | — |
| The Command ZoneBlack Lotus Unknown Planechase · PLA044 | Black Lotus Unknown Planechase | PLA044 | Common | — |
| The Companion of the WildsUnknown Event · RC05b | Unknown Event | RC05b | Rare | $35.00 |
| The Conundrum of BowlsAlchemy: Wilds of Eldraine · 3 | Alchemy: Wilds of Eldraine | 3 | Rare | — |
| The Convention EnthusiastUnknown Event · RZ05l | Unknown Event | RZ05l | Rare | $100.23 |
| The Convincing GeneralUnknown Event · MZ05a | Unknown Event | MZ05a | Mythic Rare | — |
| The Cookout CreatorUnknown Event · RZ03p | Unknown Event | RZ03p | Rare | — |
| The Core // The CoreThe Lost Caverns of Ixalan Art Series · 40 | The Lost Caverns of Ixalan Art Series | 40 | — | — |
| The CosplayzerUnknown Event · RU05a | Unknown Event | RU05a | Rare | — |
| The Council of FourCommander Legends: Battle for Baldur's Gate · 271 | Commander Legends: Battle for Baldur's Gate | 271 | Rare | €1.28 |
| The Council of FourCommander Legends: Battle for Baldur's Gate · 419 | Commander Legends: Battle for Baldur's Gate | 419 | Rare | $0.80 |
| The Council of FourCommander Legends: Battle for Baldur's Gate · 530 | Commander Legends: Battle for Baldur's Gate | 530 | Rare | €0.52 |
| The Council of FourBattle for Baldur's Gate Promos · 271s | Battle for Baldur's Gate Promos | 271s | Rare | €1.17 |
| The Countdown Is at OneThe List (Unfinity Foil Edition) · 28 | The List (Unfinity Foil Edition) | 28 | Rare | $0.28 |
| The Countdown Is at OneUnstable · 80 | Unstable | 80 | Rare | €0.15 |
| The Countering RunnerUnknown Event · RU05b | Unknown Event | RU05b | Rare | $28.00 |
| The Covert Blue MageUnknown Event · RU03c | Unknown Event | RU03c | Rare | — |
| The Crab QueenUnknown Event · RU38 | Unknown Event | RU38 | Rare | $15.00 |
| The CrafterUnknown Event · RR66 | Unknown Event | RR66 | Rare | — |
| The Creation of AvacynModern Horizons 3 · 86 | Modern Horizons 3 | 86 | Uncommon | €0.12 |
| The Crimson AvengerUnknown Event · RR10 | Unknown Event | RR10 | Rare | $45.00 |
| The Crowd Goes WildBattlebond · 68 | Battlebond | 68 | Uncommon | $0.16 |
| The Crowd Goes WildThe List Tokens · BBD-68 | The List Tokens | BBD-68 | Uncommon | €0.18 |
| The Cruelty of GixDominaria United · 87 | Dominaria United | 87 | Rare | €0.93 |
| The Cruelty of GixDominaria United Promos · 87p | Dominaria United Promos | 87p | Rare | €1.07 |
| The Cruelty of GixDominaria United Promos · 87s | Dominaria United Promos | 87s | Rare | €2.47 |
| The Crystal's ChosenFinal Fantasy · 14 | Final Fantasy | 14 | Uncommon | €0.07 |
| The Curse of FenricDoctor Who · 118 | Doctor Who | 118 | Rare | €0.18 |
| The Curse of FenricDoctor Who · 723 | Doctor Who | 723 | Rare | €1.16 |
| The Curve KeeperUnknown Event · RW47 | Unknown Event | RW47 | Rare | — |
| The Cyber-ControllerDoctor Who · 119 | Doctor Who | 119 | Rare | €0.28 |
| The Cyber-ControllerDoctor Who · 405 | Doctor Who | 405 | Rare | €1.50 |
| The Cyber-ControllerDoctor Who · 724 | Doctor Who | 724 | Rare | €2.44 |
| The Cyber-ControllerDoctor Who · 996 | Doctor Who | 996 | Rare | €3.43 |
| The Dalek EmperorDoctor Who · 120 | Doctor Who | 120 | Rare | €0.17 |
| The Dalek EmperorDoctor Who · 406 | Doctor Who | 406 | Rare | €0.29 |
| The Dalek EmperorDoctor Who · 725 | Doctor Who | 725 | Rare | €1.31 |
| The Dalek EmperorDoctor Who · 997 | Doctor Who | 997 | Rare | €0.93 |
| The Dark BaronyPlanechase Planes · 6 | Planechase Planes | 6 | Common | €1.42 |
| The Dark BaronyPlanechase Anthology Planes · 19 | Planechase Anthology Planes | 19 | Common | €0.33 |
| The Darkness CrystalFinal Fantasy · 96 | Final Fantasy | 96 | Rare | €3.23 |
| The Darkness CrystalFinal Fantasy · 335 | Final Fantasy | 335 | Rare | €7.68 |
| The Darkness CrystalFinal Fantasy Promos · 96s | Final Fantasy Promos | 96s | Rare | €5.88 |
| The Dawning ArchaicSecrets of Strixhaven Promos · 1p | Secrets of Strixhaven Promos | 1p | Mythic Rare | €1.66 |
| The Dawning ArchaicSecrets of Strixhaven · 1 | Secrets of Strixhaven | 1 | Mythic Rare | $0.93 |
| The Dawning ArchaicSecrets of Strixhaven · 289 | Secrets of Strixhaven | 289 | Mythic Rare | $1.63 |