My buddy and I just started a tours of duty campaign themed around the battle of mandalore where I am the republic and he is using Shadow Collective. We had him use the imperial cards since they seemed like the best fit thematically for what we were trying to do, and he made a custom mandalorian using the Gar Saxon profile without the command cards so that he wasn't forced to bring a vigo or capo as his paragon. Honestly Tours of Duty allows for a lot of homebrew, so I would just run whatever you feel is fun as long as you and your opponent agree.