PoE Occultist, League Starter, Spell builds

I've been trying to narrow down my league starter for Heist the past couple of days. Somewhere along the line, I decided I want to do a cold DoT Occultist, more specifically a Wintertide Brand Occultist (SC-trade). I have a few reasons (that may or may not be valid, politely let me know). Full reasoning summaries below, but TLDR: I think cold DoT Occultists will survive nerfing and might even be buffed by new Hexes. Wintertide brand also feels safe from nerfing, is non-meta, and there is always Vortex to fall back on. I may or may not be able to take advantage of new Hexes more easily. Al

Hello folks, ^(umm) lets get started i guess. i have a lot of experience in PoE, played way more hours than i'm afraid to know. Completed every milestone i set for myself, and after all this time, there is a time for a level 100 and that time is now. That means having a build that can clear very fast, and be very tanky. I usually theory craft builds myself generally "stealing" some pointers from other builds and making the build as i see fit which works out very well. ^(most of the time.) So in a nutshell i designed a build that wont die, and will clear very well so i can get that sweet 100