My GA opponent has a 7-star Chewbacca. See here, upper-right corner:
But this is what is BH team looks like:
That seems very suspicious to me, because I've heard Chewbacca's 7-star is very, very difficult to acquire.
I threw this into the discussion on Reddit, and they suggested I "post on the forums to Lucifers Daddy." So here I am. Tagging @CG_LucifersDaddy