Neither. I play call energy. It can keep you from being donked if you go turn one, and helps you set up stuff like claydol, regice, ect.
But If I were picking between the two you said, I would go with Cyclone energy because it disrupts Dusknoir's Night Spin and Flygon's Sand Wall. Both of which are pretty common in the metagame.
Don't worry about spiritomb lock because you can play techs like SW suicune or the combee with honey to get your karp back.