Impending Disaster

Enchantment, 1R (2)
At the beginning of your upkeep, if there are seven or more lands on the battlefield, sacrifice Impending Disaster. If you do, destroy all lands.¹
"The goblins are in charge of maintenance? Why not just set it on fire now and call it a day?" -Whip Tongue, viashino technician
Illus. Pete Venters

Gatherer Card Rulings [Nov 2009]

• 10/4/2004: If this card is not on the battlefield at the times its ability resolves, then you can't sacrifice it and it will not destroy any lands.
• 10/4/2004: This ability does not trigger at all if there are not seven lands on the battlefield at the beginning of upkeep. It checks this number again when it is going to resolve and does not do anything if the land count is below 7.
• 10/4/2004: The ability is not optional.

Format Legality	Legal in Vintage, Legacy Banned in Extended, Standard, MTGO Classic
Printings (1/6)	Urza's Legacy (Rare)