If all rotom forms have that effect a no energy rotom toolbox deck will be very fun to play. Will be able to hit type advantage on majority of decks if all the forms have different typing, and most likely each attack will have some kind of effect that you can just pick for the right situation, discard special energy, cause a status, etc. Maybe even throw in silvally and a few dce to cover the types of rotom we won't have like fighting and dark, and will also let you swap rotoms easily. The silvally tools also synergize with rotom effect by tossing them if you don't need them.