No major reworks here, just some fine tuning. We cut supreme will for two Jiwari disruption and a castle ardenvale, bringing our land count to 27 and adding some utility as well as early disruption. Jiwari disruption is either a counterpell or a land, that cards maybe the best DFC? I also cut some plains for gates of istfell for more utility at almost no cost. Reloading is exactly what this deck wants to a lot of the time, and this card does that with incidental lifegain. 4 might be too many, but it might not too. If your deck doesn't have one drops, 4-6 taplands are free, as you consider them your "T1 plays", or generally sequence so it's not an issue. Any extra lands are free to be taplands as they would of been a spell anyway, hence why DFC's in control are so good. You see a reccomendation in the sideboard of 4 skyclave cleric. In an aggro match, you can side these in for gates of Istfell, effectively not changing your deck while adding an early play that gains life and protects walkers.

With the added card draw, I cut a behold the multiverse and a dovin's veto to bring gideon's triumph up to 4, because that so overperformed. Between the added triumph's and now a castle ardenvale to stall single attackers from your planeswalkers, making them play into to your sweepers. With only one behold the multiverse left, I upgraded it to a higher ceiling 1 of in Sphinx's revelation, which is legal from the amonkhet remastered set additions. Also legal from that set is rest in peace, pact of negation, and Jace, unraveler of secrets, which I put in your sideboard just in case you weren't aware of them. I don't know if Jace makes the cut, but he might as a 1 of, as another way to disrupt single creatures.

I really like your planeswalker suite:) I wouldn't touch a thing now that you cut them kaya's!

I'm also going to tool out the snow version just to see.