That's a nice team. Mine still need some works on.
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Saffron+Kerria's team is my best. They don't do insane damages like Crit girls but they can last many many turns and handle every kind of battle since it's not against Nuke+accuracy buff bosses.

I still need to replace Black Locust Bride and maybe Easter Cactus on Pink Miko's team ofr more Crit and Counter. Or maybe add a Pure Princess Pinkladies for debuff. Tarragon was a good option but... not now with Balsam+Silk Tree on the R-medal list.

And I want to split my main Crit team. One with Valentine Onci, RRose, Silk Tree and Balsam + another one for a full Crit+React team and another one with Sakura Swimsuit, PI Yarrow, Weat, Kugaisou + another one for a Weakness+Crit team.

For the Crit+React, Cactus would be perfect but It's hard to have her right now without a 6* ticket. Statice could be a nice option, maybe. There is also Valentine Dendrobium. despite she don't have Crit, she is a strong React girl.

And maybe Cristmas Waxvine if she get a very good RG (at least,she has everything needed for it).