Steelix (139/264) - [Holo Foil] Fusion Strike (FST)

ATTACKS Powerful Rage: This attack does 20 damage for each damage counter on this Pokémon. Earthquake: This attack also does 30 damage to each of your Benched Pokémon. (Don't apply Weakness and Resistance for Benched Pokémon.)
It is thought its body transformed as a result of iron accumulating internally from swallowing soil.