Best replacement toons for commander Luke squad

Coolnessda

I like using commander Luke rebel squads with toons like raid han, princess leia, r2 and chewie but I often run r2 in my resistance team in territory battle and sith raid and chewie is only 6 star at the time which keeps him from certain special events, sith raid and the final tier of territory battle. I usually replace chewie for chirrut but I cant use baze since he's only 5 star and have no ideas as to who would be good replacements for these 2 slots. And before anyone asks my c3p0 is only 5 star so he too is out of the question

Naver666

ATF used to be a Thing under CLS...old Ben is a good tank in Rebel teams

MandoStargaper

Any of these would work. Could use Rolo or Cassian with cls as well. If you're looking for pure dmg then rhan or chewie would be the way to go, but seeing that you're restricted I'd use wiggs.