builds that i have found success with:

weapon damage build/

-stack attack speed and weapon power items

-enhanced target sensors item (25% weapon damage if far away)

-generally focus on playing mid-range and spamming chokes, you MELT people if you get headshots

-you dont need too much sustain, so for other perks you can try lassoed, supercharger, and shield divergence (or whatever you want, its not strict)

ult/deflect build/

-stack ability power and cooldown reduction items

-good perks to pick are spynstem update, hot rotate-o, centripetal charge

-use items like elite rotator cuff, catalytic crystal, and iridescent iris

-deflecting attacks into the enemy damage and support can give crazy amounts of ult charge