- Creature Swap
- Crest Burn
- Crime and Punishment
- Crimson Blader
- Crimson Fire
- Cross Attack
- Cross Change
- Cross Heart
- Crossline Counter
- Crowning of the Emperor
- Crush Card Virus
- Crush Star
- Crystal Beacon
- Crystal Beast Amber Mammoth
- Crystal Beast Amethyst Cat
- Crystal Beast Cobalt Eagle
- Crystal Beast Emerald Turtle
- Crystal Beast Ruby Carbuncle
- Crystal Beast Sapphire Pegasus
- Crystal Beast Topaz Tiger
- Crystal Flash
- Crystal Fortress
- Crystal Pair
- Crystal Release