Whenever you cycle a card, you'll be triggering both of the partners, as the discard activates Brallin, and the card draw triggers Shabraz
However, using Dusclops or Dusknoir's ability comes with a risk, as it gives the opponent a prize card and destroys Dusclops or Dusknoir in the process
You'll earn Pack Points every time you use Pack Stamina, which can be exchanged for specific cards
Try playing both of these can't attack effects together for the ultimate defense
Plus, there are many different engines you can set up with Grixis cards, with different gameplay options, and thats one thing I appreciate from a color combination
Killing an opponent's Seer allows you to draw a card, sure, but by then your opponent has already taken the best card out of your hand, so youll have to evoke that Thoughtseize bug to draw something good enough to replace it