Crystal Beast Cobalt Eagle [LCGX-EN160] Common Legacy of Darkness you can destroy this card

you can destroy this card

during your Main Phase

Set: Shonen Jump Magazine Promos Card type: Normal Monster Rarity: Secret Rare Attack: 4000 Defense: 4000 The descent of this mighty creature shall be heralded by burning winds and twisted land

(You do not use "Polymerization"

You can only use this effect of "Gouki Riscorpio" once per turn

Crystal Beast Cobalt Eagle [LCGX-EN160] Common Legacy of Darkness you can destroy this cardSet: Legendary Collection 2 Card type: Effect Monster Rarity: Common Attack: 1400 Defense: 800 Once per turn: You can target 1 face up "Crystal Beast" card you control; return that target to the top of the Deck. If this face up 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.