Once during your turn (before your attack), if you have a Fighting Energy card in your discard pile, you may discard 2 cards from your hand. Then, attach a Fighting Energy card from your discard pile to Regirock. This power can't be used if Regirock is affected by a Special Condition.

Stone Edge40+

Flip a coin. If heads, this attack does 40 damage plus 30 more damage.