Urborg, Tomb of Yawgmoth + Kormus Bell + Make Obsolete

Prerequisites

• to cast it.

Steps

1. 1With Urborg on the battlefield, all lands are swamps.
2. 2With Kormus Bell on the battlefield, all Swamps are 1/1 creatures.
3. 3Cast Make Obsolete, giving all creatures your opponent control -1/-1 until end of turn, destroying all their lands.

Effects

• Destroy all lands opponents control
• Destroy all x/1 creatures your opponents control
• Mass Land Denial