These include many of WotC's experiments over the years, as well as expansions built for specific formats other than Standard
Walking Wake est class comme un Pokmon Paradoxe Temps Pass, ce qui reflte son origine lointaine dans le pass de la rgion de Paldea
Thaumatic Compass: Transforming into a Maze of Ith which can also produce mana is strong, especially after the Compass has helped you smooth out your land drops and thin your decks
If you have some Scry effects, you can easily make the next draw without having to spend its mana, but even without Scry, being able to play nonland cards without a mana cost allows you to have explosive turns
I see no reason why things would be different if WotC started reprinting paper versions of the Power 9
Most of the time you will find grown adults running inside Costco fighting for every box they can get their hands on