Does 60 damage plus 10 more damage for each of your Benched Pokémon that has any damage counters on it.
Muddy Bomb
Damage
Choose 1 of your opponent's Pokémon. This attack does 30 damage to that Pokémon and 10 damage to each of your opponent's other Pokémon. (Don't apply Weakness and Resistance for Benched Pokémon.)
Disclaimer: The following data is based on sale history from a third party source. Data is updated about every 5 days. This data does not serve as a value guarantee.