Getting booted from Metallica may have been the best thing that ever happened to Dave Mustaine. Since he founded Megadeth, the band has achieved thrash immortality thanks to their razor-sharp guitar screeches, breakneck chops and politically charged imagery. On the 1990 landmark Rust in Peace, a growling Mustaine drips bleak nihilism over deliriously complex songs already soaked in primal fury. At times the singer/guitarist has pushed the group toward a slower, simpler kind of heavy metal, but as 2016's Dystopia proves, Megadeth always return to their roots in gory, anti-everything thrash.