Level the land

[Destore117]

{Urborg, Tomb of Yawgmoth} + {Mind Bend} + {Boiling Seas}

Make Tomb say all lands are islands, destroy all islands. Good if you have indestructible lands Or use things like  {Dungrove Elder} {Gaea's Liege} {Kalonian Twingrove} making all lands forests. And you know. Not destroying all of them.

[DrainCleaner]

Lol that's evil

[cltrn81]

Or there is {Armageddon}

[Munchlax]

Or just {Devastation} or in this case {Apocolypse} would do roughly the same thing to you

[Destore117]

This is Modern legal.
And also can be done earlier than those other cards.