Ghyrson Starn, Kelermorph, Protection of the Hekma, Helm of the Host, and Zedruu the Greathearted

Prerequisites

• Ghyrson Starn, Kelermorph on the battlefield
• Protection of the Hekma on the battlefield
• Helm of the Host on the battlefield
• Zedruu the Greathearted on the battlefield
• You have a way to deal exactly 2 damage to an opponent
• Helm of the Host attached to Ghyrson Starn
• available

Steps

1. Activate Zedruu the Greathearted by paying , giving an opponent control of Protection of the Hekma
2. At the beginning of your combat phase, Helm of the Host triggers, creating a token copy of Ghyrson Starn that isn't legendary
3. Deal 2 damage to that opponent by any method, reduced to 1 due to Protection of the Hekma
4. Ghyrson Starn and the Ghyrson Starn token trigger
5. Resolve the nontoken Ghyrson Starn trigger, dealing 1 damage to the opponent
6. The token Ghyrson Starn triggers, dealing 1 damage to the opponent
7. The nontoken Ghyrson Starn triggers, dealing 1 damage to the opponent
8. Repeat from step 6

Results

• Infinite damage to target opponent