Have you considered, or tried, counterbalance in the daze/spellsnare slot? Obviously you'd have to make room for top as well, and make sure the mana base can support a turn 2 counterbalance more easily, but counterbalance is just so good. Would force you to only run 1 forest/swamp(which is think is better anyway), probably only 1 wasteland, and possibly not run volrath.

Also, I'm not sure about snuff out. How has it tested thus far? Seems like the life loss might be a bit too much for this deck.