3 four stars would probably help me more than a standard 5* at this point, but even so, I'd rather C6 my Keqing than max out my Chevreuse.

^ True. For many players (especially new ones) the 4* selector would be massive. Only voting standard 5* char, because I have almost every 4* character and most of them at C6.

C3 barbara and c3 LanYan, say less