ATK Dendro, Anenome, Alpinia, Mei, Sakura, Helenium (Easter),BB... Why? Because these are your best attackers
HP Alpinia, Anemone, your debuffers Why? Alpinia, like Kerria should be using recovery boost. Anemone is multi-talented, Debuff needs to live.
DEF Anemone, Apricot,Alpinia, your debuffers Why? Counter first then debuff(see above)
When you get an event Raid Boss, flip Kerria to Apinias slot and that team will do enormous damage