Koa'ki Meiru Guardian
Card Number: UT01-JP015
Card Type: Effect Monster
Rarity: SR
Attribute: EARTH
ATK: 1900
DEF: 1200
Description: 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. When a monster effect is activated ( Quick Effect ): You can Tribute this card; negate the activation, and if you do, destroy that monster.