Rampardos ex

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.

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

Pokémon ex rule: When your Pokémon ex is Knocked Out, your opponent takes 2 Prize cards.