| CindervinesRavnica Remastered · 360z | Ravnica Remastered | 360z | Rare | €148.18 |
| Cinnamon, Seasoned SteedUnknown Event · RA01 | Unknown Event | RA01 | Rare | $80.00 |
| Circadian StruggleAlchemy: Lorwyn Eclipsed · 18 | Alchemy: Lorwyn Eclipsed | 18 | Rare | — |
| Circle of DespairMirage · 259 | Mirage | 259 | Rare | €2.20 |
| Circle of Dreams DruidAdventures in the Forgotten Realms · 176 | Adventures in the Forgotten Realms | 176 | Rare | €14.50 |
| Circle of Dreams DruidAdventures in the Forgotten Realms · 383 | Adventures in the Forgotten Realms | 383 | Rare | €16.10 |
| Circle of Dreams DruidAdventures in the Forgotten Realms Promos · 176a | Adventures in the Forgotten Realms Promos | 176a | Rare | €19.62 |
| Circle of Dreams DruidAdventures in the Forgotten Realms Promos · 176p | Adventures in the Forgotten Realms Promos | 176p | Rare | €13.17 |
| Circle of Dreams DruidAdventures in the Forgotten Realms Promos · 176s | Adventures in the Forgotten Realms Promos | 176s | Rare | €15.97 |
| Circle of Dreams DruidMagic Online Promos · 92766 | Magic Online Promos | 92766 | Rare | — |
| Circle of FlameDCI Promos · 78 | DCI Promos | 78 | Rare | €0.81 |
| Circle of Protection: ArtArena League 2004 · 9 | Arena League 2004 | 9 | Rare | €1.19 |
| Circle of Protection: RedFriday Night Magic 2005 · 8 | Friday Night Magic 2005 | 8 | Rare | €1.05 |
| Circle of SolaceOnslaught · 13 | Onslaught | 13 | Rare | €0.28 |
| Circu, Dimir LobotomistGRN Guild Kit · 9 | GRN Guild Kit | 9 | Rare | $0.41 |
| Circu, Dimir LobotomistRavnica: City of Guilds · 196 | Ravnica: City of Guilds | 196 | Rare | €0.59 |
| Circular LogicFriday Night Magic 2006 · 8 | Friday Night Magic 2006 | 8 | Rare | €1.70 |
| Circular LogicSecret Lair Drop Tokens · 1519 | Secret Lair Drop Tokens | 1519 | Rare | €3.62 |
| Circular LogicSecret Lair Drop Tokens · 1519★ | Secret Lair Drop Tokens | 1519★ | Rare | $4.57 |
| Círdan the ShipwrightTales of Middle-earth Commander · 50 | Tales of Middle-earth Commander | 50 | Rare | $0.29 |
| Círdan the ShipwrightTales of Middle-earth Commander · 133 | Tales of Middle-earth Commander | 133 | Rare | €1.08 |
| Círdan the ShipwrightTales of Middle-earth Commander · 453 | Tales of Middle-earth Commander | 453 | Rare | €1.60 |
| Citadel SiegeCommander 2016 · 62 | Commander 2016 | 62 | Rare | €0.19 |
| Citadel SiegeCommander 2021 · 85 | Commander 2021 | 85 | Rare | €0.19 |
| Citadel SiegeCommander Anthology Volume II · 21 | Commander Anthology Volume II | 21 | Rare | €0.31 |
| Citadel SiegeFate Reforged · 8 | Fate Reforged | 8 | Rare | €0.25 |
| Citadel SiegeFate Reforged · 8★ | Fate Reforged | 8★ | Rare | — |
| Citadel SiegeMidnight Hunt Commander · 81 | Midnight Hunt Commander | 81 | Rare | €0.05 |
| Citanul CentaursUrza's Saga · 243 | Urza's Saga | 243 | Rare | $0.62 |
| Citanul FluteTenth Edition · 315 | Tenth Edition | 315 | Rare | €1.59 |
| Citanul FluteUrza's Saga · 289 | Urza's Saga | 289 | Rare | €2.11 |
| Citanul HierophantsDuskmourn: House of Horror Commander · 81 | Duskmourn: House of Horror Commander | 81 | Rare | €0.21 |
| Citanul HierophantsStarter Commander Decks · 175 | Starter Commander Decks | 175 | Rare | $0.22 |
| Citanul HierophantsThe List Tokens · USG-244 | The List Tokens | USG-244 | Rare | €0.20 |
| Citanul HierophantsUrza's Saga · 244 | Urza's Saga | 244 | Rare | €1.04 |
| Citizen V, Helmut ZemoMarvel Super Heroes Commander · 650 | Marvel Super Heroes Commander | 650 | Rare | $0.35 |
| City in a BottleArabian Nights · 60 | Arabian Nights | 60 | Rare | $370.50 |
| City of AssUnhinged · 134 | Unhinged | 134 | Rare | €34.09 |
| City of BrassDouble Masters 2022 · 321 | Double Masters 2022 | 321 | Rare | €14.26 |
| City of BrassDouble Masters 2022 · 403 | Double Masters 2022 | 403 | Rare | €24.14 |
| City of BrassDouble Masters 2022 · 570 | Double Masters 2022 | 570 | Rare | €27.95 |
| City of BrassClassic Sixth Edition · 321 | Classic Sixth Edition | 321 | Rare | €20.81 |
| City of BrassFifth Edition · 413 | Fifth Edition | 413 | Rare | €17.81 |
| City of BrassSeventh Edition · 327 | Seventh Edition | 327 | Rare | €19.04 |
| City of BrassSeventh Edition · 327★ | Seventh Edition | 327★ | Rare | $33.11 |
| City of BrassEighth Edition · 322 | Eighth Edition | 322 | Rare | €11.67 |
| City of BrassEighth Edition · 322★ | Eighth Edition | 322★ | Rare | $18.76 |
| City of BrassChronicles Foreign Black Border · 112 | Chronicles Foreign Black Border | 112 | Rare | €361.21 |
| City of BrassChronicles · 112 | Chronicles | 112 | Rare | $29.99 |
| City of BrassModern Event Deck 2014 · 15 | Modern Event Deck 2014 | 15 | Rare | €12.53 |