Gx archetypes tend to splash more than others, particularly GU Towns (which is incentivized to take random dual lands anyways)
In the early turns, you want some board presence to prevent the opponent from running away with Lore advantage
The other big bonus was that you got to see their entire deck, which back then taught you a lot more than it does now due to a lot of people playing their own homebrews and a lack of other ways to take a look
Factor in Chocos Landfall ability, which lets it hit surprisingly hard if you drop a few lands mid-combat with its other effect, and you have an exceptional new Bant option for Commander
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
