Koa'ki Meiru Doom [BP03-EN058] Shatterfoil Rare XY187 and remove that card from

and remove that card from play

It gains 400 DEF

you can Tribute 1 "Batteryman" monster

Set: Duel Terminal 6 Card type: Ritual/Effect Monster Rarity: Super Rare Attack: 2400 Defense: 1000 You can Ritual Summon this card with any "Gishki" Ritual Spell Card

Koa'ki Meiru Doom [BP03-EN058] Shatterfoil Rare XY187 and remove that card fromSet: Battle Pack 3: Monster League Card type: Effect Monster Rarity: Shatterfoil Rare Attack: 1700 Defense: 800 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 Fiend Type monster in your hand. Negate the effects of LIGHT and DARK Monsters that activate during the Main Phase.