Kenny McCormick becomes a Magic the Gathering player at a local hobby store. He plays and wins against the champion known as "Slaughterhouse". Cartman excitedly talks about the previous nights match in the hallway at school and is overheard by a custodian named Mitchell. He invites the boys to an underground tournament where roosters a.k.a. "cocks", battle using MtG cards. The boys eat at a McDonald's like restaurant where Kenny expresses his dismay of using roosters to play a game he enjoys. The boys decide to pick out a rooster of their own for cock magic battles at a local farm. They pick one and name him McNuggets, after the breaded chicken menu item at McDonald's. During the first match, McNuggets wins against Rueben at the City Wok. A promoter encourages the boys to try and play at t