Empire Arena team: 5* Thrawn or 7* Boba or 4* Storm

Trying to decide on final member of Dark arena team at lvl 77: https://swgoh.gg/u/zhpkiller/ 6* EP G9 (abilities unleveled) lead 6* Vader G9 (abilities maxed) 6* TFP G9 (abilities unleveled) ...