The fact that Tolarian Academy is a land also makes if extremely resilient to removal, as cards that destroy or bounce lands tend to be rare or expensive
Most notably, however, it also includes a Shiny Mewtwo ex card, which doesnt appear to be available elsewhere in the game
Only time will tell, but for right now, having five orin the case of Strixhaven six more mythics than traditional sets greatly increases the cost of playing Arena
Cryptbreaker Im not sure if Zombies will be a strong enough tribe to compete in Standard, but if they are, then Cryptbreaker will be a big reason why
As such, while pull rate lists can sometimes be helpful, its also necessary to take them with a grain of (Shoal) salt because they are inexact and thus can sometimes be inaccurate