Only if you have more Prize cards than your opponent does.

"Scramble Energy can be attached only to an Evolved Pokemon (excluding Pokemon-ex). Scramble Energy provides 1 Colorless Energy. While in play, if you have more Prize cards left than your opponent, Scramble Energy provides every type of Energy but provides only 3 in any combination at a time. If the Pokemon Scramble Energy is attached to isn't an Evolved Pokemon (or evolves into Pokemon-ex), discard Scramble Energy."