Abjure

Instant, U (1)
As an additional cost to cast Abjure, sacrifice a blue permanent.

Counter target spell.¹
Mirri's hackles rose as Ertai continued expounding his virtues. "If that arrogant brat doesn't shut up soon, " she growled to herself, "I'm going to have to kill him."
Illus. Ted Naifeh

Gatherer Card Rulings [Nov 2009]

• 10/1/2009: You can't sacrifice more than one permanent.

Format Legality	Legal in Vintage, Legacy Banned in Extended, Standard, MTGO Classic
Printings (1/6)	Weatherlight (Common)