Flip a coin. If heads, look at your opponent's hand. If he or she has any Trainer cards there, choose 1 of them. Your opponent shuffles that card back into his or her deck.
Flip a coin. If heads, this attack does 20 damage to the Defending Pokémon (Don't apply Weakness and Resistance) If tails, your and opponent has any Benched Pokémon, choose 1 of them and this attack does 20 damage to it. (Don't apply Weakness and Resistance for Benched Pokémon.)