Fat Man

{w}{u}{r}{t}, sacrifice Fat Man: Choose an opponent. Destroy all creatures target opponent controls.
They can't be regenerated. Also, have target
opponent choose half of their lands rounded
down. Destroy all other lands opponent controls.
You cannot use this ability if you do not control
a Plane.
"The atomic bomb is too dangerous to be loose in a
lawless world."
-Truman, the War Ender