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
We can sacrifice The Hollow Sentinel to the Throne, proliferating and immediately making a new Hollow Sentinel, which means we can proliferate each turn for 0 mana
Theres quite a few cards that are solid vs Turbo Fog, we all know cards like Duress, Doomfall, and counters are going to be good vs them, but what else is there
The First Sliver gives every Sliver you cast cascade meaning each one triggers a free extra spell from your library
just Griffnaut Tracker, Cease / Desist, sometimes Gravestone Strider, and a handful of rares
Peregrine Drake untaps five lands when it enters the battlefield, so each time you exile and bring it back, you get three additional mana