Despite Eminem and his fanbase believing that he’d dealt MGK’s career a fatal blow, all signs point to the Cleveland MC capitalizing off his new-found notoriety. “You don’t want a beef with Eminem,” The Game said succinctly when discussing his past feud with G-Unit labelmate-turned-nemesis, 50 Cent. “He shreds. He shreds MC’s for real. I ain’t his best friend or nothing, I’m just saying that I …