You may change Cool Porygon's Resistance to a type of your choice other than Colorless. If the Defending PokÃ©mon has a Weakness, you may change it to a type of your choice other than Colorless. (Benching either PokÃ©mon ends the effect on that PokÃ©mon.)
3-D Attack 20Ã—
Flip 3 coins. This attack does 20 damage times the number of heads.