I'm pretty new to WoW and have been following the Frost DK and Brewmaster threads recently. People seem to be pretty upset about builds that they thought were balanced and fun being nerfed or just deleted. In one of the threads someone mentioned something about 'gladiator warrior' and how it was killed.
I was wondering, what are some build from any time in the past that were super fun, relatively balanced, and then subsequently removed from the game for whatever reason?