Feraligatr (17/119) [XY: Phantom Forces]

[2W] Hyper Whirlpool (60) Flip a coin until you get tails. For each heads, discard an Energy attached to your opponent's Active Pokémon.

[2WW] Second Strike (80+) If your opponent's Active Pokémon already has any damage counters on it, this attack does 80 more damage.