Kormus Bell, Urborg, Tomb of Yawgmoth, and Elesh Norn, Grand Cenobite

Prerequisites

• Kormus Bell on the battlefield
• Urborg, Tomb of Yawgmoth on the battlefield
• Elesh Norn, Grand Cenobite on the battlefield

Steps

1. All lands are swamps with Urborg, Tomb of Yawgmoth
2. All swamps are 1/1 creatures with Kormus bell
3. All opponent creatures get -2/-2 from Elesh Norn, Grand Cenobite
4. Each opponent lands can not be played

Results

• Your opponents can't have any lands on the battlefield