Strong Energy

This card can only be attached to [Fighting] Pokémon. This card provides [Fighting] Energy only while this card is attached to a [Fighting] Pokémon.
The attacks of the [Fighting] Pokémon this card is attached to do 20 more damage to your opponent's Active Pokémon (before applying Weakness and Resistance).
(If this card is attached to anything other than a [Fighting] Pokémon, discard this card.)