Koa'ki Meiru Wall [SESL-EN050] Super Rare BW20 ) You cannot Special Summon

) You cannot Special Summon another monster(s) during the turn you activate this card

if this card is still banished: Special Summon that monster banished by this effect

Return those cards to your Deck

• 1 Biomass Mutation

Koa'ki Meiru Wall [SESL-EN050] Super Rare BW20 ) You cannot Special SummonSet: Secret Slayers Card type: Effect Monster Rarity: Super Rare Attack: 1900 Defense: 1200 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.