Jarad, Golgari Lich Lord, and Jumbo Cactuar

Prerequisites

• Jarad, Golgari Lich Lord on the battlefield
• Jumbo Cactuar on the battlefield
• available

Steps

1. Declare Jumbo Cactuar as an attacker, triggering its ability, giving it +9999/+0 until end of turn
2. Activate Jarad by paying and sacrificing Jumbo Cactuar, causing each opponent to lose 10,000 life

Results

• Near-infinite lifeloss
• Each opponent loses the game