Originally Posted by
ykza
You do gain some damage from the pet while not casting MG but then again, you do less damage when casting MG, so I'd say the damage is pretty much the same(It basically just means that the extra damage on Sacrifice accounts for the pets damage and vice-versa). This is without taking into account the fact the the best dps pet is the observer so you could lose damage from the pet switching targets.
Given KJC, the only time Supremacy pulls ahead of Gosac is when there are periods of time when you can't dps the boss but your pet can.