Instead of generic card art, cards with more of a visual effect would be nice and make collecting Shiny Pokmon art feel like more of an event
The most problematic and difficult to deal with permanents in a game of Limited are frequently large fliers like Twinflame Tyrant, terrifying equipment like Celestial Armor or Leyline Axe, or enchantments like Valkyrie's Call, and Vivien's -3 ability does a great job at dealing with these threats in a hurry
A Dangerous new Rakdos Commander Speed
Ugins Labyrinth $82 Sol lands (lands that can tap for more than 1 mana) are almost always powerful, and Ugin's Labyrinth is potentially easy to turn on
Will we see Espathra ex becoming a good deck
As said before, it doesn't fit into the cEDH scene, but it is perfect to play at tables with strong decks, so the game is fair and nice