Next Level 60 Help?

Hey guys, I know I already made a post a few hours ago, but I see myself still needing a little help. I'm a little trapped in the mid-game currently and wondering who my next 60 should be?

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Others were recommending in a previous thread of mine a few ideas. They were saying level Xeno first, but not sure if they meant 60 Xeno first. Tagoar got mentioned also. I was told a Fayne/Morag/Tayrel team could also be good together. Who should I push 60 first? I don't have my Predator Feast yet (getting that tomorrow, NOT spending $40 for the pass), so I could 60 something immediately and campaign a bunch for another. I have 2 50's to eat so far.

Would a good general team maybe be Mikey (half skilled), Morag, Tagoar (mostly skilled), Tayrel, and Fayne, maybe...? Tag and Tay cover Fayne's general weaknesses is my thought process, but I'm not sure if it's that worth building so heavily towards helping Fayne.

Otherwise, maybe Mikey, Xeno, Morag, Kael (since he's maxed), and Tagoar/Khatun?

Any advice is much appreciated! :)