Notable Options: Conditional Board Wipes Conditional board wipes are the most specific class, because they only interact with permanents with qualifier X
Sure, there are a couple of reasons other than spell count to mill a specific player, like, scry, Sams Desperate Rescue, or Haunt of the Dead Marshes
It has a lot of searching options, Lumineon V to maximize the odds of setting up when needed and Penny to counter a potential Mawile lock in late game
Costing 3 works very well with cards like Collected Company, Unearth, and Recommission too
If a Season is copied, the effect that creates the copy will usually allow you to choose new targets, but you can't choose new modes