Jarad, Golgari Lich Lord, Cosmogoyf, and Leveler

Prerequisites

• Jarad, Golgari Lich Lord on the battlefield
• Cosmogoyf on the battlefield
• Leveler in hand
• available

Steps

1. Cast Leveler by paying
2. When Leveler enters, it triggers, exiling your library
3. Activate Jarad by paying and sacrificing Cosmogoyf, causing each opponent to lose life equal to Cosmogoyf's power

Results

• Near-infinite lifeloss
• Exile your library