Mewtwo (EVO 51)
Psychic
20+
This attack does 20 more damage for each Energy attached to your opponent's Active Pokémon.
Barrier
During your opponent's next turn, prevent all effects of attacks, including damage, done to this Pokémon. If 1 of your Pokémon used Barrier during your last turn, this attack can't be used.
weakness: x2
resistance: none
retreat cost: 2