Here is a link to Ugdanbog purifier Arcaneweaver builds for Elemental sorc ideas. The sorc concept would be similar. Jaxxon rings are pretty good here if the weapon finds an affix with some more % elemental.
Obviously you have a list of self-imposed requirements. I had a look at some of your builds…so here’s a doodle with mostly elemental focus, but probably strays too far from what I have seen as your fundamentals:
GT: mix & match Arcaneweaver