I almost feel like we've been spoiled over the last five weeks with all the new content that's been slowly drizzled in to Hearthstone [Free (HD)], as I'm not sure what I'm going to do next weekend when I open the game up and aren't greeted with the announcement that a new wing has been opened. But, on the up side, now that the whole new card pool is released, we can figure out some great new decks that shift up the metagame even more.
Here's the final few cards that are unlocked when you beat the two bosses in the Frostwyrm Lair and its associated class challenge:
I don't even know what to do next, maybe go outside? *sigh*
Hopefully Blizzard announces plans for post-Naxx content, as it'd be really neat to know what kind of schedule they've got in mind for additional card releases.