Koa'ki Meiru Hydro Barrier

Type: Effect Monster
Monster Type: Aqua
Attribute: Water
Level: 3
Attack: 1000
Defense: 1900
Rarity: Common

Description: You can return 1 "Iron Core of Koa'ki Meiru" from your hand to the top of the Deck. If you do, the effect(s) of all face-up Effect Monsters are negated until the Standby Phase of your next turn, except "Koa'ki Meiru" monsters.