Regigigas (84/111) (League Promo 1st Place) [Sun & Moon: Crimson Invasion] Colorless[×2] Return those cards to their

Return those cards to their owners' hands

then Special Summon that Fusion Monster from the Extra Deck

or is destroyed by an opponent's card effect while in its owner's Monster Zone: You can add 1 WATER monster with 1500 or less DEF from your Deck to your hand

Then destroy all cards you control

when a monster effect is activated on your opponent's side of the field (except during the Damage Step): You can detach 2 Xyz Materials from this card

Regigigas (84/111) (League Promo 1st Place) [Sun & Moon: Crimson Invasion] Colorless[×2] Return those cards to theirSet: Sun & Moon: Crimson Invasion Type: Colorless Rarity: Promo Retreat cost: Colorless,Colorless,Colorless,Colorless