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 Beast-Warrior-Type monster in your hand. Once per turn, you can reveal 1 "Iron Core of Koa'ki Meiru" in your hand to Special Summon 1 Level 4 or lower "Koa'ki Meiru" monster from your Deck, except "Koa'ki Meiru Urnight".
![Koa'ki Meiru Urnight [ABPF-EN025] Ultra Rare | The CG Realm](http://www.thecgrealm.com/cdn/shop/products/628fb14b-cb07-5a3f-b1e7-a5ee3b1c61c1.png?v=1707278041)
