Rampardos ex

Ability — Destructive Headbutting: Once during your turn, if this Pokémon is in the Active Spot, you may use this Ability. Flip a coin. If heads, discard an Energy from your opponent's Active Pokémon.

Rowdy Hammer (150): During your next turn, attacks used by this Pokémon do 150 more damage to your opponent's Active Pokémon (before applying Weakness and Resistance).