This is clearly not good enough for ladder and seems pretty unfit for Gauntlet because it randomly loses to bad draws every 3-4 games. But then again so does every other deck I play in Gauntlet, homebrew and netdeck alike.
Anyway the idea here is get an early discarder out, discard sentinals to fill your graveyard (the sporefolk helps with this.) and reanimate with Stirring and Grasping.
With 4 colors to choose from (though red is mostly a token color because you are almost never casting the red cards directly unless it is late game, removal is plentiful but nothing seems sovereign against the multitude of horrendous, legend-full always-on-curve, never-screwed, master rank gauntlet decks.
Most of the time you end up having to come from behind because the AI draws endless units that you have to constantly kill. OTOH when the deck does get a few sentinels to stick that is usually game over.