I still say Wanda can be a witch and Magneto’s daughter, and Pietro can be the one who inherited his x gene from Mags. Same with Billy and Tommy. Just say Natalya is Magda, who had magical potential that she passed to Wanda, who was born with even greater potential. Or Chthon lured her to Wundagore because one of his followers prophesied her daughter would be the perfect vessel for him. How does she appear on the Witch’s Road? Magda was astral projecting from an enchanted slumber or an alternate plane. This way Wanda can keep her magic origins and focus, and still allow Pietro to keep his mutant heritage and ties to the X-Men.