Activate only if you control a face-up "Koa'ki Meiru" monster and have "Iron Core of Koa'ki Meiru" in your Graveyard. Negate the activation of an Effect Monster's effect, and destroy it.
| Detail | Value |
|---|---|
| Card Type | Counter Trap |
| Race | Counter |
| Archetype | Koa'ki Meiru |