Magical Sparkmate

Samantha Witwicky wants to leave home and experience the world. Now she's forced into an ancient civil war between the Autobots and Decepticons. For an average witch, she thought this would be easy... until the mechs started fighting over her. (Not the best summary but it will change) Fem!witch!Sam/ Reverse!harem (Optimus/Bumblebee/Soundwave/More)