Dear Fu Xuan mains. how many limited sustain units do you have? Will you pull Lingsha?
Personally, since they're both using 1 skill for every 3 rotations, I don't have too many incentives to grab a copy of Lingsha.
My other limited sustain is Aventurine, and I prefer to use FX over him on teams that utilize Bronya / Sparkle since action advances will mess up the shield duration.