Squelch

Instant, 1U (2)
Counter target activated ability. (Mana abilities can't be targeted.)

Draw a card.
Oku-Doku had gone through all the motions: the same akki cursewords, the same ingredients with their horrid stink, the same rude gestures. Yet not a person died.
Illus. Matt Cavotta

Gatherer Card Rulings [Nov 2009]

• 12/1/2004: Squelch can't target triggered abilities. It can target only an activated ability (an activated ability is in the form "cost: effect").
• 12/1/2004: Squelch can't target a mana ability because mana abilities don't use the stack.

Format Legality	Legal in Vintage, Legacy, Extended, MTGO Classic Banned in Standard
Printings (1/8)	Champions of Kamigawa (Uncommon)