Metal Energy (Aquapolis 143/147)

Rules

Damage done to the Pokémon Metal Energy is attached to is reduced by 10 (after applying Weakness and Resistance). If the Pokémon Metal Energy is attached to isn't Metal, whenever it damages a Pokémon, reduce that damage by 10 (before applying Weakness and Resistance). Metal Energy provides Metal Energy. (Doesn't count as a basic Energy card.)