For example, if you mill a card while your graveyard is animated, the milled card doesn't enter the battlefield
And why this set in particular
Conjurers Closet and Thassa, Deep-Dwelling will be some of the easiest ways to guarantee Lavinia keeps cheap permanents on lockdown, but having a suite of blink spells to back them up is never going to be a bad thing especially since it wont take long for Lavinia to become a priority removal target for the rest of the table
Notable Cards Notably, all cards in the Mishra deck and the Urza deck are printed with the retro border, making them appear like classic cards from back when the Urza/Mishra storyline was unfolding in the late 90s and early 2000s
Fancy cardboard, but cardboard nonetheless
If you want to play a Wizard Spellslinger Control deck but need to tone it down for your playgroup, Kaza is a solid option