Gumshoos GX

Ability — Search the Premises: Once during your turn (before your attack), you may have your opponent reveal their hand.

Headbutt Bounce (100)

Gumshoe Chance GX (10+): This attack does 50 more damage times the amount of Energy attached to your opponent’s Active Pokémon. (You can’t use more than 1 GX attack in a game.)