I have another zeta burning a hole in my pocket. I use a zQGJ team (Ezra, Anakin, Yoda, Old Ben) and have been ranking from 20-10 in arena. I haven't zeta'd Yoda's Battle Meditation or Ben's extra taunt (and I am not quite convinced that I should do either). I don't have a single GK shard.
Would it work to replace Old Ben with zeta Barriss or would that be a bad idea?
Here's my roster: