![Koa'ki Meiru Hydro Barrier [ANPR-EN022] Common](http://rayscollectibles.myshopify.com/cdn/shop/products/33145_200w_{width}x.jpg?v=1613156650)
![Koa'ki Meiru Hydro Barrier [ANPR-EN022] Common](http://rayscollectibles.myshopify.com/cdn/shop/products/33145_200w_530x@2x.jpg?v=1613156650)
| Set: | Ancient Prophecy |
| Card type: | Effect Monster |
| Rarity: | Common |
| Attack: | 1000 |
| Defense: | 1900 |
Return 1 Iron Core of Koa'ki Meiru from your hand to the top of your Deck to negate the effects of all face-up Effect Monsters (except Koa'ki Meiru monsters) until your next Standby Phase.