Omastar

Ability · Primordial Tentacles

As long as this Pokémon is in the Active Spot, your opponent's Active Pokémon can't retreat.

W · W

This attack also does 30 damage to 2 of your opponent's Benched Pokémon. (Don't apply Weakness and Resistance for Benched Pokémon.)

Weakness: Lightning · Resistance: none · Retreat: 3