During each of your End Phases, destroy this card unless you send 1 "Iron Core of Koa'ki Meiru" from your hand to the GY or reveal 1 Rock monster in your hand. During either player's turn, when a monster effect is activated (Quick Effect): You can Tribute this card; negate the activation, and if you do, destroy that monster.
![Koa'ki Meiru Guardian [SESL-EN048] Super Rare](http://www.dungeonsandjavas.com/cdn/shop/products/ee916a3c-d43b-56ac-8aed-114f93ee1522.png?v=1682559728&width=1445)
