To actively mill your opponent, youll need to catch them with Didnt Say Please, stick an early Eye Collector (probably the most important enabler), or suffer playing Merfolk Secretkeeper (a combination of very two underwhelming cards, Tome Scour and Kraken Hatchling)
Now if that card werent so expensive
The thing is, I really enjoyed having my Niv-Mizzet 10-card flops hit a lot more cards than anyone else
It would be surprising if, when we check back on the most popular commander rankings a year from now, Kess, Dissident Mage isn't in the top 15, at the very least
This card's restricted Vintage status, compared to Wheel of Fate, is only because of the variety of combos discarding and drawing without shuffling enables