Dark Metal Energy
Attach Dark 
Energy to 1 of your Pokémon. While in play, Dark Energy provides 
Energy and Energy, but provides only 1 Energy at a time. (Doesn't count as a basic Energy card when not in play and has no effect other than providing Energy.)
Energy to 1 of your Pokémon. While in play, Dark Energy provides Energy and Energy, but provides only 1 Energy at a time. (Doesn't count as a basic Energy card when not in play and has no effect other than providing Energy.)