Rain of Filth

Instant, B (1)
Until end of turn, lands you control gain "Sacrifice this land: Add {B} to your mana pool."¹
"When I say it rained, it was not small drops, but a thick, greasy drool pouring from the heavens." -Urza, journal
Illus. Stephen Daniele

Gatherer Card Rulings [Nov 2009]

• 10/4/2004: The granted ability can be used while the land is tapped.
• 10/4/2004: Only grants the ability to lands you control when this ability resolves.

Format Legality	Legal in Vintage, Legacy Banned in Extended, Standard
Printings (1/6)	Urza's Saga (Uncommon)