My take on isomorphic's list originally here: https://eternalwarcry.com/decks/details/8A1AlVxh4Fg/ynstybly-yyyy
It's been fairly successful in high masters. Many choices here are tuned for a control-heavy metagame (especially Jotun Feast-Caller) so adjust accordingly. I also made a video deck tech for the deck that you can see here:
https://www.youtube.com/watch?v=iHXVOqPKEBA