The extra combat is nice and all, and theres a potential infinite combo if you can make Bumi into a land (Ashaya, Soul of the Wild comes to mind), but untapping your lands is the reason to run Bumi
As revealed on the Weekly MTG stream, the cards are: Cecily, Haunted Mage (Eleven, the Mage) Bjorna, Nightfall Alchemist (Lucas, the Sharpshooter) Arvinox, the Mind Flail (Mind Flayer, the Shadow) Wernog, Rider's Chaplain (Will the Wise) Sophina, Spearsage Deserter (Chief Jim Hopper) Othelm, Sigardian Outcast (Mike, the Dungeon Master) Hargilde, Kindly Runechanter (Dustin, Gadget Genius) Elmar, Ulvenwald Informant (Max, the Daredevil) Havengul Laboratory Mystery (Hawkins National Laboratory Upside Down) One very important thing to note is that, unlike the Ikoria: Lair of Behemoth Godzilla cards, or Innistrad: Crimson Vow's Dracula cards, these make absolutely no reference to their Stranger Things origins
Weftwalking Weftwalking is a chunky cost at and the ability to shuffle all your stuff into your library before you draw seven is definitely good
Flying Zombies apply pressure where combat locks occur, earning him a place among the best zombie commanders in MTG for alternate win paths
Ripjaw Raptor A creature that draws cards when it deals damage
