Shining Kabutops

Flip a coin. If heads, this attack does 30 damage plus 10 more damage and does 10 damage to each of your opponent's Benched Pok?mon. (Don't apply Weakness and Resistance for Benched Pok?mon.) If tails, this attack does 30 damage and Shining Kabutops does 10 damage to itself.

Does 50 damage plus 10 more damage for each Water Energy attached to Shining Kabutops but not used to pay for this attack's Energy cost. Don't apply Resistance.