Curse of Naxxramas Ep15 - Heroic Heigan

Second boss of the Plague Quarter (Heroic) isn't as bad as Noth, but still annoying!

Interestingly, the same deck to beat Noth can likely beat Heigan as well. His hero power punishes anything but the largest minions, and his rushdown can quickly overwhelm you. Playing big minions that you can keep healthy is a solid strategy for bringing Heigan down.