Moreover, Betas less rounded corners had a more sober feel and appearance
We also need a very high overall creature count to be consistently discarding them for Sefris triggers, and playing mana rocks (which is almost 100% of our ramp options for Esper) will just make our favorite shortcut through the Oubliette more painful
The Black Lotus gives the player three mana to cast a Wheel of Fortune
Not necessarily because it's ultra-powerful, but because it can create such a big reset, forcing everyone to start rebuilding from scratch, and Wizards thinks players should have the option to opt out of that experience
In that case, the Aura is not a spell, so Emrakul's protection has no meaning against it, and Show and Tell does nothing that protection stops
If you'd like to read more about how we design for Universes Beyond in general, check out Mark Rosewater's article