What's the ideal squad/tactics to 7* Thrawn?

This strategy seems sound. Only problem is that with zeb's potency at 58% thrawn resists 4 out of 5 dazes/stuns. I usually manage to kill one enemy before my entire team is dead. That's with about 40 tries, now. My Phoenix squad is all level 80+ and gear 9. That's better than any of my squads we're for palpatine, R2, or yoda. For yoda, my squad was in their 60s and gear tier 7. Those events were all easy. Not one issue. Didn't have to retry a single battle. What gives? You shouldn't need to have your Phoenix squad at level 85, gear 11-12 and zetad to complete the event. The only thing I can change is increasing their gear and adding zetas. This event is ridiculous. Maybe they increased the difficulty because of the addition of gear 12 and the new Phoenix zetas? If so, that's idiotic, because you should NOT need either of those things for an event. Sorry, I'm frustrated. Even tier 6 thrawn killed my entire squad by himself a few times before I finished it. It's as if they only want people who use Phoenix as their main squad (and who spend hundreds of dollars a month) to get a 7* Thrawn. I'm very disappointed with this.