Son Goku, Energy Salvo

[Energy-Exhaust] [Permanent] Only 1 {Son Goku, Energy Salvo} can be played in your Battle Area. [Activate:Main] If you have a Red/Green multicolor card in your energy, choose 1 of your red or green Battle Cards with an energy cost of 3 or less and place it in its owner's Drop Area : Play this card from your hand in Rest Mode, then choose up to 1 of your opponent's Battle Cards with an energy cost of 1 and KO it.