Frost mage build question

Been playing mine, having a lot of fun.

It seems the Glacial build is meta from what I’ve seen. But it’s super hard to get off in shuffles. Feel like I have more success running Comet Storm, no glacial build especially vs melees.

Is there certain times you run each build? GS vs casters, no GS vs melee? Even vs melee/caster it’s hard to get off.

You gotta bait a precog first

Great advice thanks!