While Fact or Fiction can be used in a lot of traditional decks, theres enough new stuff that some of our assumptions about what control decks even look like might need to be reexamined
Bouncing your lands and replaying them each turn can lead to some huge value plays, especially if you run lands with enters abilities like Echoing Deeps or the Surveil lands
Too low-impact in small numbers, and too hard to gather together in a deck thats trying to run a more controlling strategy
While the two-faced layout was a huge gain to Day/Night, it didn't solve the fundamental problem
Once the instant or sorcery Adventure has resolved, the card goes into exile, not your graveyard
Despite this optimism from fans, Wizards has remained non-committal on the subject of unbannings