Koa'ki Ring
| Name | Koa'ki Ring |
| Card Type | Spell Card |
| Archetype | Koa'ki Meiru |
| Property |
Normal 
|
| Passcode | 46089249 |
| Status (TCG) | Unlimited |
Reveal 1 "Iron Core of Koa'ki Meiru" in your hand to select 1 face-up monster on the field. Destroy that monster, and both players take 1000 damage.
Expansions
| 2010-11-11 | Starstrike Blast | STBL-EN056 |
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