Crystal Beast Cobalt Eagle [FOTB-EN006] Common Synchro/Pendulum/Effect Monster you can add 1 "Iron

you can add 1 "Iron Core of Koa'ki Meiru" or 1 Level 4 or lower "Koa'ki Meiru" monster from your Deck to your hand

if activated during opponent''s turn)

during your End Phase: You can add 1 "Bujin" monster from your Deck to your hand

you cannot activate “Mischief of the Time Goddess” until the end of that turn

and destroy all those monsters with 1500 or less ATK

Crystal Beast Cobalt Eagle [FOTB-EN006] Common Synchro/Pendulum/Effect Monster you can add 1 "IronSet: Force of the Breaker Card type: Effect Monster Rarity: Common Attack: 1400 Defense: 800 Once per turn, you can return 1 face up "Crystal Beast" card you control to the top of its owner's deck. If this card is destroyed while it is in a Monster Card Zone, you can place it face up in your Spell & Trap Card Zone as a Continuous Spell Card, instead of sending it to the Graveyard.