Well, after a single game, I've changed my mind
It also adds an interesting layer to something like a Veteran Explorer or New Frontiers
That's what head designer Mark Rosewater seemed to suggest earlier this month anyway, as he recently claimed that Universes Beyond isn't "an endless well", and that there are a finite number of franchises to cross over with that will be popular
This card has seen play in multiple Legacy archetypes, in Modern Affinity, and Standard Prowess, and its only been online for a few days
Cantrips, some of which could draw you lots of cards (like Foreshadow + Portent), could draw you into the lands you needed, but sometimes you just used one of your Counterspells to stop whatever they were doing for the turn and give yourself another turn to try to draw land
Mockingbird The floor is a 1/1 bird