Koa'ki Meiru Wall is a Rare Effect Monster card from Yu-Gi-Oh! (Starstrike Blast, STBL). Current market price: $0.20.
Rare
Starstrike Blast (STBL)
Card Text
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 your opponent activates a Spell Card (Quick Effect): You can Tribute this card; negate the activation, and if you do, destroy that card.
