What if Celuna were genetic flares, mutants that only were important because of Discord?

What if there were actually troubles in the newly-formed Equestria, with racism still very much prevalent, when an old Star Swirl the Bearded was traveling around, performing for orphanages, when he stumbled across two fillies that were isolated from all the others? Raised them as his daughters? Developed all those forms of magic because he was teaching the two girls, who had more magic than anypony else, to control theirs?

I thought of the cider thing before the Cider Squeezy 6K episode, I promise.
Art is from here, used without permission (I'll get right on that, though).