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Counter target activated or triggered ability. (Mana abilities can't be targeted.)
Abilities, attacks, weakness & resistance
Other cards from Conspiracy
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Stifle (CNS-108) is a blue instant from the Conspiracy set that costs one mana and targets activated or triggered abilities. Its primary rule is to counter a target activated or triggered ability on the stack, preventing that ability's effect from occurring. The card is commonly used to disrupt key opponent interactions such as mana abilities, creature enters triggers, or other activated abilities that the opponent relies on.
Catalog pricing data as of 29 Apr 2026, 14:16
