The latest Curse of Naxxramas card has been revealed, and the death effect stacking continues with Duplicate
, a new Mage card! Also check out the Shaman card Rebirth if you haven't seen it!
And here's a list of all the cards revealed so far: Tip: Click the image to view a larger version where you can page between them all!
Be sure to check out Blizzard's preview of the Curse of Naxxramas adventure
for more details on how the mode works, or Wowhead's page on the Naxxramas raid
for a look at the original.