Xerneas & Yveltal

Rainbow Destruction • 80+

You may discard any amount of basic Energy from your Pokémon. This attack does 40 more damage for each type of basic Energy you discarded in this way.

+

United Power

Heal all damage from all of your Pokémon. If this Pokémon has at least 2 extra Energy attached to it (in addition to this attack's cost), put damage counter equal to the amount healed on your opponent's Pokémon in any way you like.