Single Strike Energy (019/019) [SS: Gengar VMAX High-Class Deck]

This card can only be attached to a Single Strike Pokémon. If this card is attached to anything other than a Single Strike Pokémon, discard this card.<br>As long as this card is attached to a Pokémon, it provides [Fighting] and [Darkness] Energy but provides only 1 Energy at a time, and the attacks of the Pokémon this card is attached to do 20 more damage to your opponent's Active Pokémon <em>(before applying Weakness and Resistance)</em>.