imagine that insanity. I would so love that. I don't even care if it'll be confusing to explain how Edolas people with no magic got there (8+ years older nonetheless) but i wannit wannit wannit
It'd be some muk like, Zeref sending Mard and all the other Tartaros guys out to fight Natsu, then all of his friends from all four hundred chapters including the Edolas Fairy Tail Mages show up to help.