User blog comment:Someloser9/People's Picks for the Free Login Unit/@comment-31317932-20170808063052

I asked in the UoC Megathread for advice, and they agreed, so I'm picking:

Furious Thunder Cleria, Anima, both because I've been told I lack a BB gauge buffer in my team and because I've been told she's one of the best BB gauge buffers in the game. :P