Mightyena PL 54

If Mightyena is affected by a Special Condition, ignore all Energy necessary to use Mightyena's attacks.

If you played any Supporter card from your hand during this turn, this attack does 20 damage plus 20 more damage.

If Mightyena has less Energy attached to it than the Defending Pokémon, this attack does 50 damage plus 30 more damage.