Upkeep: Pay 1 build point or pay 1 Force and tap Scarif Shield Gate.
Whenever Scarif Shield Gate is attacked, you may pay 3 Force. If you do, take 1 60/3/3 TIE Defense Swarm Subordinate with "Pay 0 Force Intercept" and put it into the Space arena.
Each of your Ground units gets Shields 2.