PoE bukem89, Spell builds

Hey, I've been playing Haloplasm's duo spark this league with a ton of success and killed some of the ubers, but I'd like to push it a bit further before the league ends. Especially since as I've bought Nimis, I suspect Heatshiver isn't BIS anymore for the ubers/100 deli maps. My POB is Aurabot for reference: I've looked through POENinja to see what other people do, and it looks like the main changes outside of MB are a +gems stacking helm, spark gloves a