Flygon ex δ

As long as Flygon ex is your Active Pokémon, put 1 damage counter on each of your opponent's Benched Basic Pokémon between turns. You can't use more than 1 Sand Damage Poké-Body between turns.

Psychic Pulse

80

Does 10 damage to each of your opponent's Benched Pokémon that has any damage counters on it. (Don't apply Weakness and Resistance for Benched Pokémon.)