Im also curious if Propaganda becoming new-to-Modern will do something fun for control decks, since it's one of the best can't attack effects
27 Burning Frustration (Blazing Shoal) The Betrayers of Kamigawa expansion brought some interesting cards to the game, but not many deserved the ban hammer as much as Blazing Shoal
A PSA 10 will be considered a more valuable card on the secondary market than a lesser grade, as it denotes a virtually perfect [specimen]
Zendikar also had a minor milling theme that was cut back a bit in development (although the Hedron Crab is nothing to laugh at.) In the early days there was some doubt as to how much popularity milling has, but every time we've made a push towards an exciting milling card, the audience has been very receptive
Each token must attack the appropriate player if able
And we havent even discussed the size of the print run, which will determine the real future value of these cards