Selvala's Stampede basically tells players to choose whether you get random creatures from the top of your library or permanents from your hand, and theyre also in charge of deciding how many of each you get
Here's how the deck looks with the upgrades added: Further Upgrades There's a bunch of heavy-hitter Phyrexians you can toss in the top-end: Elesh Norn, Mother of Machines and Mondrak, Glory Dominus both double the amount of tokens you're incubating with Brimaz which is super sweet, Elesh Norn is a great anthem for incubation, plus there's Sheoldred, Sheoldred, Whispering One, Sheoldred, the Apocalypse (lots of Sheoldreds!),Wurmcoil Engine, Skithiryx, the Blight Dragon
You might even find a card from Magic s past that isnt in the set at all
1 Green-Blue-Red Temur The most colorful color combination, green-blue-red Commander decks for Treascures focus on making as many Treasures as possible while allowing you to cast huge creatures early or focus on synergy with artifacts