| Carefree Swinemaster (22 variants) | 219 |
| Carnelian Orb of Dragonkind (22 variants) | 166 |
| Cast Down (22 variants) | 119 |
| Castle Embereth (10 variants) | 883 |
| Castle Locthwain (10 variants) | 884 |
| Castle Vantress (10 variants) | 885 |
| Caves of Chaos Adventurer (8 variants) | 579 |
| Caves of Chaos Adventurer (22 variants) | 167 |
| Chain Devil (22 variants) | 120 |
| Chain Reaction (10 variants) | 783 |
| Changeling Outcast (10 variants) | 743 |
| Chaos Dragon (10 variants) | 784 |
| Chaos Wand (10 variants) | 855 |
| Chaos Warp (10 variants) | 785 |
| Charcoal Diamond (22 variants) | 442 |
| Charcoal Diamond (22 variants) | 305 |
| Chardalyn Dragon (22 variants) | 306 |
| Chasm Skulker (10 variants) | 714 |
| Choked Estuary (10 variants) | 886 |
| Cinder Glade (10 variants) | 887 |
| Circle of the Land Druid (22 variants) | 220 |
| Citadel Gate (22 variants) | 349 |
| Clan Crafter (12 variants) | 651 |
| Clan Crafter (8 variants) | 614 |
| Cliffgate (22 variants) | 350 |
| Cloak of the Bat (22 variants) | 443 |
| Cloak of the Bat (22 variants) | 307 |
| Cloakwood Hermit (22 variants) | 221 |
| Cloakwood Hermit | 514 |
| Cloakwood Swarmkeeper (22 variants) | 222 |
| Clockwork Fox (22 variants) | 308 |
| Cloudkill (22 variants) | 121 |
| Colossal Badger // Dig Deep (16 variants) | 223 |
| Command Tower (22 variants) | 351 |
| Commander Liara Portyr (22 variants) | 418 |
| Commander Liara Portyr | 529 |
| Commander Liara Portyr (22 variants) | 270 |
| Compulsive Research (10 variants) | 715 |
| Cone of Cold (22 variants) | 61 |
| Consuming Aberration (10 variants) | 840 |
| Contact Other Plane (22 variants) | 62 |
| Contraband Livestock (22 variants) | 12 |
| Coronation of Chaos (22 variants) | 168 |
| Corpse Augur (10 variants) | 744 |
| Creeping Tar Pit (10 variants) | 888 |
| Crib Swap (10 variants) | 690 |
| Criminal Past | 494 |
| Criminal Past (22 variants) | 122 |
| Crippling Fear (10 variants) | 745 |
| Crystal Dragon // Rob the Hoard (16 variants) | 13 |