Kormus Bell

Aggravated Assault + Kormus Bell + Urborg, Tomb of Yawgmoth

Infinite combat phases, Infinite mana creatures you control can produce, Infinite mana lands you control can produce

Drana and Linvala + Kormus Bell + Urborg, Tomb of Yawgmoth

Opponents can't activate abilities of lands or creatures they control, Lock, Mass Land Denial

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

Opponents can't have lands on the battlefield, Lock, Mass Land Denial

Kormus Bell + Urborg, Tomb of Yawgmoth + Kaervek, the Spiteful

Destroy all lands, Destroy all lands that enter the battlefield, Lock, Mass Land Denial

Kormus Bell + Urborg, Tomb of Yawgmoth + Night of Souls' Betrayal

Destroy all lands, Destroy all lands that enter the battlefield, Lock, Mass Land Denial

Kormus Bell + Urborg, Tomb of Yawgmoth + The Flesh Is Weak

Destroy all nonartifact lands, Destroy all nonartifact lands that enter the battlefield, Lock, Mass Land Denial

Linvala, Keeper of Silence + Kormus Bell + Blanket of Night

Opponents can't tap lands for mana, Lock, Mass Land Denial

Linvala, Keeper of Silence + Kormus Bell + Urborg, Tomb of Yawgmoth

Opponents can't tap lands for mana, Lock, Mass Land Denial

Urborg, Tomb of Yawgmoth + Kormus Bell + Aether Flash

Destroy all lands that enter the battlefield, Lock, Mass Land Denial

Urborg, Tomb of Yawgmoth + Kormus Bell + Make Obsolete

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