I never thought about this but... yeah, I guess she could be really good even if I found her Counter ability a bit weird for a such offensive girl.
Another possible awesome Elited 5* is Camellia. She is already a really good 5* with good stats and abilities. She could be a solid evade 6* in the future and she is on the top of my wish list for future 6* with Oncidium and Miko Pink. Even if Miko Pink is already a damn 6* stuck in a golden box.