Cool Porygon (15) [Wizards of the Coast: Black Star Promos] Storm of Ragnarok or if this card in

or if this card in its owner's possession is destroyed by an opponent's card effect: You can add 1 "Mathmech" Spell/Trap from your Deck to your hand

monsters on your opponent''s side of the field cannot attack during the same turn that they are Normal Summoned

return 1 card on the field to the top of its owner's Deck

Set: XY: Black Star Promos Type: Dragon Rarity: Promo Retreat cost: 2

Once per turn: You can detach 1 Xyz Material from this card to declare a card type (Monster

Cool Porygon (15) [Wizards of the Coast: Black Star Promos] Storm of Ragnarok or if this card inSet: Wizards of the Coast: Black Star Promos Type: Colorless Rarity: Black Star Promo Retreat cost: Colorless