My bet would be that each ink type will be getting their own equivalents of these locations (cost one locations, high will power and passive lore)
The earliest this deck can win is turn five since thats when you can get Call onto the board
Given the best manabases for prEDH would use OG Duals, Fetchlands, and Shocklands, not having easy access to one (or more) of them puts non-legacy players in the rough spot of relying on prEDH's limited and patchy color-fixing options which can leave new decks performing at a more clunky pace than they otherwise would be if built back in New Phyrexia
This is one of the best sets us Magic players have had in years
For example, if you have no cards in hand and cast Faithless Looting, you can't activate Seismic Assault's ability between the time you draw two cards and discard those two cards
Apart from this, buying collections on Ebay has the potential to be a nightmare