Who should be my first 7* r3?

I’m trying to decide between photon, Jean grey and shathra for my first r3 and idk who to pick. Any suggestions?

Comments

Shatra full atack. Jean atack + def. Choose is your

Jean easily

Shathra can be a game changer at r3, is she duped? If not, Jean Grey would prob be a better use of resources.