So I'm going to try something in the future with tassadars warpgate leadership card. I think it would be very cool to combo it with arbiters to have a very mobile force that pretty much doesn't need transports. You can get your army to any empty space on the board with warp gate then use arbiters to reinforce it.
I think this strategy would spend the first turn building at home without expanding then warping things out on regroup. This woud be best in a six player game where you have lots of space to expand to.