Koa'ki Meiru Beetle

Type: Effect Monster
Monster Type: Insect
Attribute: Earth
Level: 4
Attack: 1900
Defense: 1500
Rarity: Ultra Rare

Description: 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 Insect-Type Monster in your hand. When a LIGHT or DARK monster is Special Summoned in face-up Attack Position, change the Summoned monster to Defense Position.