Cool Porygon (15) Holofoil - WoTC Promo

You may change Cool Porygon's Resistance to a type of your choice other than Colorless. If the Defending Pokémon has a Weakness, you may change it to a type of your choice other than Colorless. (Benching either Pokémon ends the effect on that Pokémon.)

Flip 3 coins. This attack does 20 damage times the number of heads.