Frost Rotom (RT2) [Platinum: Rising Rivals]

[2] Hail - This attack does 10 damage to each of your opponent's Pokemon. (Don't apply Weakness and resistance for Benched Pokemon.)

[2W] Crushing Ice (40+) Does 40 damage plus 10 more damage for each C Energy in the Defending Pokemon's Retreat Cost (after applying effects to the Retreat Cost).