If you want to peruse the oddly wonderful creations yourself, the Twitter account RoboRosewater (named after head of MTG R&D Mark Rosewater) posts rendered versions of Talcos network once a day, and Escapist Magazine has a nice collection of its favorite cards, from absurd to over-powered, here as well as a more in-depth explanation of the networks inner workings here
Theres a good rule of thumb that every deck should be able to do something on the first 4 turns of the game
Disney Lorcana has several Genie cards in it, and several mention the Lamp, which has made several people think that this is yet another reprinted card
Domri, Anarch of Bolas One of the better Gruul planeswalkers is also one of the slimmest designs
This character can be game-ending in many situations, especially if you're able to use Genie or Elsa's Ice Palace to keep characters exerted while you earn lore from your Locations and and questers