Archer/Hunter Improving This Archer Boltslinger Build

Tried doing a rainbow boltslinger build with a c-spring.
I was wondering if this build was any good, or it's trash? I guess the mana sustain could be better.
https://hppeng-wynn.github.io/build...57B9P920o0o1N1Y1D1g00001004fIzz++++--l1-Uj7e0
WynnBuilder build:
> Morph-Stardust
> Libra
> Vaward
> Capricorn
> Draoi Fair
> Moon Pool Circlet
> Prowess
> Diamond Fusion Necklace
> CR-16Y9N7878A57B9P92 [w6w6w6]

 

https://hppeng-wynn.github.io/build...57B9P920o0o1V1G1D1g00001004fIzz++++--l1-UTU01
WynnBuilder build:
> Morph-Stardust
> Libra
> Greaves of the Veneer
> Capricorn
> Draoi Fair
> Moon Pool Circlet
> Prowess
> Diamond Fusion Necklace
> CR-16Y9N7878A57B9P92 [w6w6w6]
This gets you more sustain in exchange for dmg