Emrakul, The World Anew, although expensive to cast, offers different ways to play it early and can be powerful if utilized strategically
Rule the Room Most Playable: Queen Marchesa Best Presentation: Savra, Queen of the Golgari I dont think Ive ever written about this, but my first Commander deck (then EDH) used Savra, Queen of the Golgari, as its general
There's also Showcase Fracture Foil cards for Exalted Sunborn, Icetill Explorer, and Starfield Vocalist all going for $300-$500 right now as well
For three mana, you easily get a 3/3 body
You may reveal a creature card of the chosen type from among them and put it into your hand
Several different Lorcana podcasts will get you caught up to speed on the latest metagame developments