| Name | Checkmate! |
| Type | Spell |
| Cost | 0 |
| Attack or Defense | A |
| Effect | Flip a coin; if it's heads, the next SPELL card you play in the same turn injures 1 of your opponent's MAMODO cards instead of Damaging their Spell Book when you win the Battle as an Attacker. This SPELL card cannot be defended. |
| Power | Special |
| Partner(s) | All Mamodo |
| Flavor | "GGGGGGrrrrrrrrrr!" |
| Number | S-057 (Rare) |
| Shop |
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