Jarad, Golgari Lich Lord, Cosmogoyf, and Demonic Consultation

Prerequisites

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

Steps

1. Cast Demonic Consultation by paying , naming a card not in your library and exiling your library
2. 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