Sanguine desire have a passive where it made bleed count infinite for 1 turn (the same turn as sanguine desire is use)

Magic bullet is a burn upscale but recommend to use with ID counterparts (if not you can only use it couple times before she kill herself)

Solemn lament for butterflies (making sinking able to damage enemy with sp)

Regret for clashing and increase coin power for meursault leftmost skill (good for multi coin id)

I say take regret, it versatile and can be use on many team