Team advice

Buckeye92

Hi so I'm currently not able to make it through galactic war or stay above top 200 in the arena I'm level 64 and everyone is max geared and Max attack levels. My team is:
Leader: Barriss 4*
Sid 7*
Lumin 7*
Counselor 7*
Phasm 6*

Any advise on who to switch out?