Progessing in Arena

My current team consists of: Phasma (L) 5* Glvl7 Darth Sid 7* Glvl8 Lumi 7* Glvl8 Kylo Ren 6* Glvl7 Dooku 4* Glvl8 Currently 21,993 Power, and they all have their Abilities leveled past 5 or h...