You may do 20 more damage. If you do, this Pokémon does 20 damage to itself.
Abilities
Big Wing
Ability
Once during your turn (before your attack), if this Pokémon is your Active Pokémon, you may have your opponent switch his or her Active Pokémon with 1 of his or her Benched Pokémon.
Disclaimer: The following data is based on sale history from a third party source. Data is updated about every 5 days. This data does not serve as a value guarantee.