Murderous Frenzy

Winning Streak! causes Frost Strike and Glacial Advance to have a a variable amount chance to cast Frostscythe per stack at a variable amount effectiveness. Losing Winning Streak! sends you into a Murderous Frenzy, casting Frostscythe at a variable amount effectiveness and gaining a variable amount Mastery for a variable duration. Additionally, Frostscythe deals a variable amount more damage to the first target struck.