| Crowley, the Magistus of GrimoiresGenesis Impact · 001 | Genesis Impact | 001 | Super Rare | €0.04 |
| Crowned by the World ChaliceCode of the Duelist · 018 | Code of the Duelist | 018 | Common | €0.07 |
| Crowned SiclaveeBeyond the Brave · 045 | Beyond the Brave | 045 | Common | €0.05 |
| Crow TenguDimension Force · 094 | Dimension Force | 094 | Common | €0.07 |
| Crow, the Carrion CutpurseBeyond the Brave · 079 | Beyond the Brave | 079 | Super Rare | €0.09 |
| Crusader of EndymionStardust Overdrive · 030 | Stardust Overdrive | 030 | Ultra Rare | €0.11 |
| Crusadia ArboriaCybernetic Horizon · 007 | Cybernetic Horizon | 007 | Common | $0.11 |
| Crusadia DracoCybernetic Horizon · 009 | Cybernetic Horizon | 009 | Common | $0.13 |
| Crusadia EquimaxCybernetic Horizon · 044 | Cybernetic Horizon | 044 | Ultra Rare | $0.27 |
| Crusadia KrawlerSoul Fusion · 074 | Soul Fusion | 074 | Common | €0.11 |
| Crusadia LeonisCybernetic Horizon · 008 | Cybernetic Horizon | 008 | Common | €0.12 |
| Crusadia MagiusCybernetic Horizon · 042 | Cybernetic Horizon | 042 | Super Rare | $0.18 |
| Crusadia MaximusCybernetic Horizon · 010 | Cybernetic Horizon | 010 | Super Rare | $0.16 |
| Crusadia PowerCybernetic Horizon · 055 | Cybernetic Horizon | 055 | Common | $0.11 |
| Crusadia ReclusiaCybernetic Horizon · 006 | Cybernetic Horizon | 006 | Common | €0.12 |
| Crusadia RegulexCybernetic Horizon · 043 | Cybernetic Horizon | 043 | Common | $0.11 |
| Crusadia RevivalCybernetic Horizon · 054 | Cybernetic Horizon | 054 | Super Rare | €0.11 |
| Crusadia SpathaSoul Fusion · 046 | Soul Fusion | 046 | Common | €0.10 |
| Crusadia TestamentDark Neostorm · 061 | Dark Neostorm | 061 | Common | €0.10 |
| Crusadia VanguardCybernetic Horizon · 071 | Cybernetic Horizon | 071 | Common | €0.07 |
| Crush Card VirusShonen Jump Championship 2007 Prize Card A · 004 | Shonen Jump Championship 2007 Prize Card A | 004 | Ultra Rare | €0.16 |
| Crusher RunChaos Impact · 076 | Chaos Impact | 076 | Common | €0.03 |
| Cry Havoc!Phantom Darkness · 078 | Phantom Darkness | 078 | Rare | €0.14 |
| Cryomancer of the Ice BarrierHidden Arsenal · 003 | Hidden Arsenal | 003 | Secret Rare | €0.04 |
| Crystal AbundanceForce of the Breaker · 035 | Force of the Breaker | 035 | Common | €0.04 |
| Crystal AegisStructure Deck: Legend of the Crystal Beasts · 017 | Structure Deck: Legend of the Crystal Beasts | 017 | Common | €0.07 |
| Crystal BeaconHobby League 5 participation card C · 003 | Hobby League 5 participation card C | 003 | Ultra Parallel Rare | $0.03 |
| Crystal Beast Amber MammothForce of the Breaker · 005 | Force of the Breaker | 005 | Common | €0.04 |
| Crystal Beast Amethyst CatForce of the Breaker · 002 | Force of the Breaker | 002 | Common | €0.04 |
| Crystal Beast Cobalt EagleForce of the Breaker · 006 | Force of the Breaker | 006 | Common | €0.03 |
| Crystal Beast Emerald TortoiseForce of the Breaker · 003 | Force of the Breaker | 003 | Common | €0.04 |
| Crystal Beast Rainbow DragonGhosts From the Past: The 2nd Haunting · 001 | Ghosts From the Past: The 2nd Haunting | 001 | Ultra Rare | €0.19 |
| Crystal Beast Ruby CarbuncleHobby League 5 participation card A · 001 | Hobby League 5 participation card A | 001 | Ultra Parallel Rare | €0.06 |
| Crystal Beast Sapphire PegasusForce of the Breaker · 007 | Force of the Breaker | 007 | Ultra Rare | €0.07 |
| Crystal Beast Topaz TigerForce of the Breaker · 004 | Force of the Breaker | 004 | Rare | €0.05 |
| Crystal BlessingForce of the Breaker · 034 | Force of the Breaker | 034 | Common | €0.02 |
| Crystal BondLegendary Duelists: Ancient Millennium · 039 | Legendary Duelists: Ancient Millennium | 039 | Ultra Rare | $0.18 |
| Crystal BoonStructure Deck: Legend of the Crystal Beasts · 032 | Structure Deck: Legend of the Crystal Beasts | 032 | Common | €0.04 |
| Crystal BrillianceStructure Deck: Legend of the Crystal Beasts · 034 | Structure Deck: Legend of the Crystal Beasts | 034 | Common | €0.05 |
| Crystal Clear Wing Over Synchro DragonSupreme Darkness · 039 | Supreme Darkness | 039 | Ultra Rare | €0.35 |
| Crystal Clear Wing Synchro DragonLegendary Duelists: Synchro Storm · 005 | Legendary Duelists: Synchro Storm | 005 | Ultra Rare | €0.10 |
| Crystal ConclaveFlames of Destruction · 099 | Flames of Destruction | 099 | Common | €0.08 |
| Crystal GirlKing's Court · 015 | King's Court | 015 | Super Rare | €0.20 |
| Crystal God TistinaDuelist Nexus · 089 | Duelist Nexus | 089 | Secret Rare | $0.69 |
| Crystal KeeperFlames of Destruction · 093 | Flames of Destruction | 093 | Common | €0.06 |
| Crystal MasterFlames of Destruction · 092 | Flames of Destruction | 092 | Common | €0.06 |
| Crystal MiracleStructure Deck: Legend of the Crystal Beasts · 033 | Structure Deck: Legend of the Crystal Beasts | 033 | Common | €0.12 |
| Crystal PairDuelist Pack: Jesse Anderson · 025 | Duelist Pack: Jesse Anderson | 025 | Rare | $0.09 |
| Crystal PromiseForce of the Breaker · 036 | Force of the Breaker | 036 | Common | €0.06 |
| Crystal RaigekiForce of the Breaker · 048 | Force of the Breaker | 048 | Common | €0.05 |