Digital-only cards have a long history of Magic with the first 12 showing up on Shandalar, a 90s video game version of Magic where players adventure along a map and dungeons battling AI opponents while building the strongest deck they can
Among all MTG blue spells designed for free interaction, Force of Will stands uniquely alone
The trick is that you need infinite mill combos to mill 100 cards
Your current mission might be unearthing that elusive shiny Charizard, tracking down a specific Special Illustration Rare to complete a master set, or securing a deck-defining staple card to crush your next regional championship
Cheap key cards: Goblin Warchief, Skirk Prospector, Impact Tremors, Goblin Chieftain, Krenkos Command, Shamanic Revelation
I think it will be included in ramp decks that secure lands through milling, but it is troubling that Chapter 1 provides almost no advantage