Cards like Throne of Geth have seen play in Hardened Scales in Modern to spread +1/+1, -1/-1, and poison counters with proliferate
Ygra, Eater of All might be my favorite card design in 2024
It's Beth, Queen of Cardboard, with the Precon Primer for the Lost Caverns of Ixalan deck, Explorers of the Deep
Creating a 1/1 Human token and a Food token is key to beating red decks, and it gives the Sugarmaw fuel for at least two rounds
So, building around TAUC mechanics like convoke and station is a way to access game-breaking tempo plays essentially for free, as a reward for doing something which is already valuable on its own at all points of the game
Disney's D23 Expo and 2023 GenCon allowed some lucky people to get early copies and limited promotional cards