I don't know, Artillery should be big in this modification. A squadron of TIE Bombers or some sorts overhead and releasing around adozen plasma bombs incinerating mile-wide.
Would make it very interesting and tactical. This modification should really introduce forms of Artillery and UAV to make it strategic. Say for example the Commander of the Imperial can use a UAV that brings hovering over the ground a transport that the team can spawn in for 30 seconds than it lifts away. Possibilites?