Swampert SV 12

Any damage done to Swampert by attacks from your opponent's Pokémon that isn't an Evolved Pokémon is reduced by 20 (after applying Weakness and Resistance).

Before doing damage, you may switch your opponent's Active Pokémon with 1 of his or her Benched Pokémon.

Does 60 damage plus 10 more damage for each Energy attached to Swampert.