STBL-EN087 – Koa’ki Meiru Wall – Rare – Unlimited Edition

During each of your End Phases, destroy this card unless you send 1 ‘Iron Core of Koa’ki Meiru’ from your hand to the Graveyard or reveal 1 Rock-Type monster in your hand. During either player’s turn, when your opponent activates a Spell Card: You can Tribute this card; negate the activation, and if you do, destroy that card.