what to socket in helmet and armor? ias jewels or cold rbf ???
what amu ?? highlords or cateye???
use cold sunder or go hybrid cold/fire ???

https://www.youtube.com/watch?v=M8Txbkr-z9s&t=282s

since u can't go razortail with mavinas, +skills come in handy for mavina builds. so out of your 2 options i'd say highlords.
socket's should be facets
You can check this guys other videos aswell, if its not offline its recommended to try and get rid of the set in general for latgame.