We could probably have found room for Gwen Stacy and Miles Morales in a non-Spider-Man specific set, but there wouldnt have been room for Aunt May. McCall says that designing for a Universes Beyond set flips the worldbuilding on its head, in that a typical Magic set needs its cards to lay the groundwork of its location and setting while also being fun to play with in order to get players on board, whereas most people already have some familiarity with a character like Spider-Man
Finally, Im talking about putting cards into your hand from the top of your library (more or less), not tutoring for multiple cards, or gaining advantage with cantrips or by sweeping the board, for example
Perhaps people safely own those other 19, or maybe, theyve been lost to time
Earthbending makes a little less sense
As of the release of Innistrad: Crimson Vow, there are 261 individual Planeswalker cards
The artwork is really lovely, very dynamic