I'm not entirely sure what the point of Grizzlesnout's Fang is since it's not account-wide and flying is enabled in Northrend. There's even already a toy to turn into a wolf so it's no good for that either.
Its an existing item thats part of a Howling Fjord quest chain thats just been re-imagined a little bit.The original worg disguise was here Worg Disguise
Rancorbite set (lfr mail tier) bonus for hunter's getting around twice as previous damage on the explosion D:
I love how Blizz gives us horde pvpers some hope with respect to racial balancing, then reverts it almost immediately.