Mareeta, then.
Oh, one more nitpick about the game itself: I'm all for keeping flaws intact for the sake of retro, but a cap of 20 on everything is bad enough, especially with the whole "conjoining magic and resistance into one stat" thing. You didn't have to make it worse by letting stats continue to level up fruitlessly after hitting the cap, IS. I thought you were working with the FE4 engine here.