| Crop Rotation | DDR-7 |
| Crosis, the Purger | C17-168 |
| Crosis's Charm | C17-169 |
| Crossbow Infantry | MMQ-16 |
| Crossroads Consecrator | EMN-154 |
| Crow of Dark Tidings | SOI-105 |
| Crowd's Favor | M15-138 |
| Crown of Empires | M12-203 |
| Crown-Hunter Hireling | CN2-50 |
| Crowned Ceratok | IMA-158 |
| Cruel Celebrant | WAR-188 |
| Cruel Tutor | POR-87 |
| Crumbling Colossus | M12-204 |
| Crumbling Necropolis | C17-244 |
| Crush Dissent | WAR-47 |
| Crush the Weak | KHM-128 |
| Crushing Canopy | GRN-126 |
| Crypt Champion | GK2-53 |
| Crypt Rats | VIS-55 |
| Crypt Sliver | LGN-63 |
| Cryptic Command | IMA-48 |
| Cryptic Command | LRW-56 |
| Cryptic Spires | 2X2-332 |
| Crystal Ball | C18-201 |
| Crystal Chimes | C15-250 |
| Crystal Grotto | DMU-246 |
| Crystal Shard | MRD-159 |
| Crystal Vein | MIR-325 |
| Crystalline Crawler | CM2-183 |
| Crystalline Crawler | C16-54 |
| Crystalline Sliver | STH-127 |
| Cudgel Troll | M10-174 |
| Cult of the Waxing Moon | SOI-201 |
| Cultivate | NCC-285 |
| Cultivate | C18-138 |
| Cultivate | LCC-235 |
| Cunning Breezedancer | DTK-215 |
| Curio Vendor | KLD-42 |
| Curiosity | A25-52 |
| Curiosity | 8ED-72 |
| Curiosity Crafter | C21-24 |
| Curious Obsession | RIX-35 |
| Curious Pair // Treats to Share | ELD-296 |
| Curse of Echoes | DKA-34 |
| Curse of Opulence | C17-24 |
| Curse of Predation | C13-140 |
| Curse of Shallow Graves | C13-71 |
| Curse of the Nightly Hunt | CM2-90 |
| Curse of Verbosity | C17-9 |
| Cursed Flesh | EXO-56 |