Shields 1
When the Ground battle step starts, choose up to X of your opponent's units in any arena, where X is the number of Slaves you have in any arena. Put 1 captivity counter on each of the chosen units.
Take 1 30/1/2 Wookie Slave Subordinate with "Your opponent may pay 2 Force to gain control of this unit until end of game." and put it into the Ground or Character arena.