| Name | Edition | Colour | Type | Cost | Power | Rarity | $ |
|---|---|---|---|---|---|---|---|
| Cycle of Life | MR | Green | Enchantment | 1GG | Rare | 0.62 | |
| Cyclical Evolution | FS | Green | Sorcery | 3GG | Uncommon | 0.26 | |
| Cyclone | CH | Green | Enchantment | 2GG | Uncommon | 0.44 | |
| Cyclone | AN | Green | Enchantment | 2GG | Uncommon | 1.92 | |
| Cyclopean Giant | TSN | Black | Creature - Zombie Giant | 2BB | 4/2 | Common | 0.14 |
| Cyclopean Mummy | LG | Black | Summon Mummy | 1B | 2/1 | Common | 0.25 |
| Cyclopean Mummy | 4E | Black | Summon Mummy | 1B | 2/1 | Common | 0.12 |
| Cyclopean Snare | RA | Artifact | Artifact | 2 | Uncommon | 0.23 | |
| Cyclopean Tomb | UN | Artifact | Mono Artifact | 4 | Rare | 26.33 | |
| Cyclopean Tomb | B | Artifact | Mono Artifact | 4 | Rare | 56.87 | |
| Cyclopean Tomb | A | Artifact | Mono Artifact | 4 | Rare | 68.33 | |
| Cyclopean Tomb | CE | Artifact | Mono Artifact | 4 | Rare | 9.12 | |
| Cyclops Gladiator | M11 | Red | Creature - Cyclops Warrior | 1RRR | 4/4 | Rare | 0.69 |
| Cylian Elf | SA | Green | Creature - Elf Scout | 1G | 2/2 | Common | 0.14 |
| Cylian Sunsinger | CF | Green | Creature - Elf Shaman | 1G | 2/2 | Rare | 0.35 |
| Cystbearer | SO | Green | Creature - Beast | 2G | 2/3 | Common | 0.13 |
| Cytoplast Manipulator | DI | Blue | Creature - Human Wizard Mutant | 2UU | 0/0 | Rare | 1.53 |
| Cytoplast Root-Kin | DI | Green | Creature - Elemental Mutant | 2GG | 0/0 | Rare | 2.15 |
| Cytoshape | DI | Multi | Instant | 1GU | Rare | 0.87 | |
| Cytospawn Shambler | DI | Green | Creature - Elemental Mutant | 6G | 0/0 | Common | 0.14 |