Uruk-hai
Uruk-hai are a new breed of orcs that appear in the Third Age. In this game, uruks are a Shadow-Aligned race, and thus only appear as minions. They are separate from orcs, and thus are not affected by cards that affect orcs, like Sting (1R313) .
For the first nine sets, all Uruk-hai are Isengard minions, although Isengard culture also includes orcs and Saruman. As a result, most Uruk-hai shadow decks are focused on Isengard culture; the two are more or less synonymous for the first ten sets. Complicating things somewhat, the Mount Doom set introduces Sauron-culture uruks, but most of them see little play except for Shagrat, Captain of Cirith Ungol (10R99) .
The next set, Shadows, reorganizes the Shadow cultures. In that set and all subsequent sets, all Uruk-hai minions are Uruk-hai culture.