In my opinion, the magic should be real but subtle. Witches born with this unnatural magical ability, that is subtle and at times hard to control. Maybe hands that can become so overheated that anything they touch burns, or maybe someone who can feel the emotions of everyone around them whether they want to or not. Kind of like a mutant, but very dumbed down powers. And they would be persecuted and sometimes burned at the stake if caught by the wrong person. Or someone who causes things to wilt and decay whenever they touch it. Maybe someone whose cells can regenerate, or they can see through solid objects. A magical ability kind like in charmed. But...it seems most of u think that would be too much. But i just think it should be a select few born as witches who have this innate magical ability and the struggle of hiding it and when or how to use it. Just to add to that fantasy category.