While tough to balance, what little has been shown so far looks immensely promising and conducive to intriguing, complex gameplay - if the rest of the Learn and Lesson cards are this interesting, MTG Strixhaven looks set to make a major, entertaining impact on the card game later this year.
But it gets this extremely high position because we can now start talking Turn 1 kills
Garde ex just might live post-rotation
Too bad we are not in red, I'd lean into red more with those
The other reason is that by being mono-colour you get to have an entirely snow manabase, enabling the aforementioned play patterns and thus offering you this degree of agency
Even when ignoring the Prevention effect, Itd be comical to flood your opponents with all kinds of weak sideboard trash