Best Phoenix Team

I'm just wondering which Phoenix I should focus on grinding for the Thrawn event. I got the two easy ones to 7* already (Kanan and Sabine) and obviously Hera is a necessity for the leadership but which other two should I focus on? I have Zeb, Ezra, and Chopper all at 5* but I'm not sure which ones to focus on. Which two are better for the team? I'm leaning toward Zeb and Ezra but I'm not sure if Zeb or Chopper is the better choice.