PoE Glacial Cascade of the Fissure, CosmicZinga builds

So today I decided to revisit my eternity shroud build idea after playing brands all league so far and getting bored of it. My idea is to use the new glacial cascade since gc is my favorite skill. I started putting the build together earlier in the league but made some pretty good adjustments today. There's a couple small upgrades left I want to make but the last main part of my idea I haven't figured out yet and would like some help. That is abusing eternity shrouds glimpse of eternity somehow by self proc-ing it more often, or VERY often preferably as it would be a nice defensive layer to ha