| Charon's ChoiceRising Rivals · RT6 | Rising Rivals | RT6 | Rare | €6.49 |
| ChatotBREAKthrough · 128/162 | BREAKthrough | 128/162 | Rare | €0.27 |
| CherrimPlasma Storm · 7/135 | Plasma Storm | 7/135 | Rare | €1.48 |
| CherrimArceus · 15/99 | Arceus | 15/99 | Rare | €0.25 |
| CherrimStormfront · 14/100 | Stormfront | 14/100 | Rare | €1.07 |
| ChesnaughtChaos Rising · 007/086 | Chaos Rising | 007/086 | Rare | €0.05 |
| Chien-PaoPerfect Order · 054/088 | Perfect Order | 054/088 | Rare | €0.05 |
| Chien-PaoParadox Rift · 057/182 | Paradox Rift | 057/182 | Rare | €0.06 |
| Chien-PaoSurging Sparks · 056/191 | Surging Sparks | 056/191 | Rare | €0.10 |
| ChimechoSupreme Victors · 21/147 | Supreme Victors | 21/147 | Rare | €1.46 |
| ChimechoMysterious Treasures · 22/123 | Mysterious Treasures | 22/123 | Rare | €0.70 |
| ChimechoHidden Legends · 17/101 | Hidden Legends | 17/101 | Rare | €1.22 |
| ChimechoEmerald · 12/106 | Emerald | 12/106 | Rare | €0.63 |
| Chimecho δPOP Series 4 · 1/17 | POP Series 4 | 1/17 | Rare | €345.00 |
| Chi-YuParadox Rift · 029/182 | Paradox Rift | 029/182 | Rare | €0.06 |
| Chi-YuPitch Black · 059/084 | Pitch Black | 059/084 | Rare | €0.06 |
| CinccinoSword & Shield · 147/202 | Sword & Shield | 147/202 | Rare | $0.42 |
| CinccinoBlack & White · 89/114 | Black & White | 89/114 | Rare | €0.84 |
| CinderaceMega Evolution · 028/132 | Mega Evolution | 028/132 | Rare | €0.07 |
| CinderaceSword & Shield · 036/202 | Sword & Shield | 036/202 | Rare | $0.27 |
| ClawitzerMega Evolution · 038/132 | Mega Evolution | 038/132 | Rare | €0.05 |
| ClawitzerForbidden Light · 26/131 | Forbidden Light | 26/131 | Rare | €0.30 |
| ClawitzerSteam Siege · 34/114 | Steam Siege | 34/114 | Rare | €0.02 |
| ClaydolObsidian Flames · 095/197 | Obsidian Flames | 095/197 | Rare | €0.05 |
| ClaydolSword & Shield · 103/202 | Sword & Shield | 103/202 | Rare | $0.43 |
| ClaydolBattle Styles · 058/163 | Battle Styles | 058/163 | Rare | €0.13 |
| ClaydolFusion Strike · 145/264 | Fusion Strike | 145/264 | Rare | $0.07 |
| ClaydolDragons Exalted · 64/124 | Dragons Exalted | 64/124 | Rare | €0.45 |
| ClaydolSupreme Victors · 22/147 | Supreme Victors | 22/147 | Rare | $0.67 |
| ClaydolCelestial Storm · 79/168 | Celestial Storm | 79/168 | Rare | $0.26 |
| ClaydolAncient Origins · 33/98 | Ancient Origins | 33/98 | Rare | $0.15 |
| ClaydolGreat Encounters · 15/106 | Great Encounters | 15/106 | Rare | €1.15 |
| ClefableLost Origin · 063/196 | Lost Origin | 063/196 | Rare | €0.11 |
| ClefableVivid Voltage · 064/185 | Vivid Voltage | 064/185 | Rare | €0.19 |
| ClefableBrilliant Stars · 054/172 | Brilliant Stars | 054/172 | Rare | €0.08 |
| ClefablePlasma Storm · 98/135 | Plasma Storm | 98/135 | Rare | €2.94 |
| ClefableUnbroken Bonds · 133/214 | Unbroken Bonds | 133/214 | Rare | €0.81 |
| ClefableHidden Fates · 40/68 | Hidden Fates | 40/68 | Rare | €0.29 |
| ClefableBREAKpoint · 82/122 | BREAKpoint | 82/122 | Rare | €0.62 |
| ClefableJungle · 17/64 | Jungle | 17/64 | Rare | $6.91 |
| ClefableDiamond & Pearl · 22/130 | Diamond & Pearl | 22/130 | Rare | €1.22 |
| ClefableExpedition Base Set · 41/165 | Expedition Base Set | 41/165 | Rare | €5.72 |
| Clefairy DollBase · 70/102 | Base | 70/102 | Rare | $7.82 |
| CleffaCall of Legends · 24/95 | Call of Legends | 24/95 | Rare | €4.44 |
| CleffaHeartGold & SoulSilver · 17/123 | HeartGold & SoulSilver | 17/123 | Rare | €3.14 |
| CleffaUnseen Forces · 21/115 | Unseen Forces | 21/115 | Rare | €7.01 |
| CleffaNeo Genesis · 20/111 | Neo Genesis | 20/111 | Rare | €9.85 |
| CloysterSword & Shield · 041/202 | Sword & Shield | 041/202 | Rare | $0.20 |
| CloysterFusion Strike · 051/264 | Fusion Strike | 051/264 | Rare | €0.19 |
| CloysterSun & Moon · 34/149 | Sun & Moon | 34/149 | Rare | $0.15 |