Krookodile

Ability · Black Eyes

Once during your turn (before your attack), if this Pokémon is your Active Pokémon, you may flip a coin. If heads, discard an Energy attached to your opponent's Active Pokémon.

F · F · C

Flip a coin. If heads, this attack does 20 more damage. If tails, this Pokémon does 20 damage to itself.

Weakness: Water · Resistance: Lightning · Retreat: 3