x2Energy Signal
When you attach a Energy card or 
Energy card from your hand to Roserade during your turn, you may use this power. If you attach a Energy card, the Defending Pokémon is now Confused. If you attach a Energy card, the Defending Pokémon is now Poisoned. This power can’t be used if Roserade is affected by a Special Condition.
Power BlowDoes 20 damage times the amount of Energy attached to Roserade.
What happens if I attach a Rainbow Energy to Roserade with the "Energy Signal" Poke-POWER? Do I get to use both effects?
If the Energy card you attached provides all types (for example, Rainbow Energy), then both effects would trigger. Energy Signal would both Confuse and Poison the Defending Pokemon.