Gyarados (XY60) (Prerelease Promo) [XY: Black Star Promos] Spell Ruler "Destiny Hero" and "Evil Hero"

"Destiny Hero" and "Evil Hero" monsters you control (not counting this card)

and claim total victory in the land of spectral snow with the Pokémon TCG: Sword & Shield—Chilling Reign expansion

and more take on new forms in service of a new form of Gaia the Dragon Champion that stacks an extra 2600 ATK on to itself every time it wins a battle and can expend exactly that much ATK to destroy any card on the field without a fight

If you call it wrong

you can equip this card to a monster OR unequip it to Special Summon this card in face-up Attack Position

Gyarados (XY60) (Prerelease Promo) [XY: Black Star Promos] Spell Ruler "Destiny Hero" and "Evil Hero"Set: XY: Black Star Promos Type: Water Rarity: Promo Retreat cost: Colorless,Colorless,Colorless