Sandslash (SS 21)
Sand Swirl
Does 20 damage to each Defending Pokémon. The Defending Pokémon can't retreat until the end of your opponent's next turn.
Earthquake
60
Does 10 damage to each of your Benched Pokémon. (Don't apply Weakness and Resistance for Benched Pokémon.)
weakness: x2
resistance: none
retreat cost: 0