0-2 vs a RG infect deck. He just had enough removal to deal with every creature I put out. Removal was better synergy than my deck's, too (Burn the Impure, Spread the Sickness). Mine at times just felt awkward (eg. having to sac a Shrine of BR for Artillerize, using BSZ for 1 creature)
2-0 vs a GB deck with a very high curve (8 cards cmc>4). He was a beginner player but still made some good plays the first game (2nd was mana screwed).
0-2 vs a UB deck with good fliers (sky-eel school, DS drake, spire monitor) and Carnifex Demon - drafted L of him. Got Carnifex out both times and I just couldn't deal with it
2-0 vs a WU deck with Kemba (drafted R of him). Not very competitive (except for an unexpected Soul Parry).

main SB was Turn to Slag for Priest

Deck VIPs: Flesh-Eater Imp, Virulent Wound (won 2 games), Morbid Plunder (due to low creature count)
Disappointments: Ferrovore (sac ability seemed redundant), Blind Zealot (was only good when opps misplayed - too many Artifact Creatures!)
Memorable plays - winning off a double Virulent Wound (didn't realize until I cast them that they'd get 2 PCs - was just clearing the way for my final attack)