40k 8th ED Tau list (how to Win)

Dal’yth sept battalion fireblade 42 pts Commander coldstar 4x fussion 174pts 4x Crisis suits all with 3x ion gun 384pts 3x 5 man breacher squads total 105 pts Sa’cea Sept vanguard commander drone controller ,vt 83 pts 3x fire marksman total 75pts 9x sniper drones 162pts 3x broadside suits ATS,HYM,SMS, Seeker missile total 471pts 6x shield drones 60pts 5x shield drones 50pts Tau Sept battalion Fireblade 42 Commander coldstar 4 fussion relic vectored man thrusters 174 9* x fire warriors marker light 66pts 8x fire warriorst 57pts 8x fire warriors 56pts