Triggered ability: Difference between revisions
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*[[Flanking]] is a creature ability that triggers when the creature is blocked by one without flanking, giving the blocker -1/-1. <c>Cavalry Master</c> has flanking and says "Other creatures you control with flanking have flanking." If you have two Cavalry Masters and either one becomes blocked, it will trigger flanking twice - once for its own effect, and once again for the other Cavalry Master, for a net -2/-2 to its blockers. | *[[Flanking]] is a creature ability that triggers when the creature is blocked by one without flanking, giving the blocker -1/-1. <c>Cavalry Master</c> has flanking and says "Other creatures you control with flanking have flanking." If you have two Cavalry Masters and either one becomes blocked, it will trigger flanking twice - once for its own effect, and once again for the other Cavalry Master, for a net -2/-2 to its blockers. | ||
*<c>Genju of the Fields</c> has an activated ability that turns an enchanted land into a creature and gives it "whenever this creature deals damage, you gain that much life." If this ability is activated three times, the enchanted land will be a creature with three instances of the life-gaining ability. If it then deals 2 damage, each of those three abilities will trigger, each will see that 2 damage was dealt, and each will give 2 | *<c>Genju of the Fields</c> has an activated ability that turns an enchanted land into a creature and gives it "whenever this creature deals damage, you gain that much life." If this ability is activated three times, the enchanted land will be a creature with three instances of the life-gaining ability. If it then deals 2 damage, each of those three abilities will trigger, each will see that 2 damage was dealt, and each will give 2 life to its controller, for a total gain of 6 life.}} | ||
==External links== | ==External links== | ||
Revision as of 15:14, 7 April 2015
A triggered ability is an ability that automatically does something when a certain event occurs or a set of conditions is met (the latter is called a state-triggered ability) .
A triggered ability can be identified by the words "when," "whenever," or "at", which will usually be found at the start of the ability. The phrase that contains one of those words lists the conditions (the trigger event or trigger state) where the ability will trigger. When it does, the ability goes on the stack (unless it's a mana ability), and responses can be played.
Comprehensive Rules
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Examples
A triggered ability can be a mana ability, which means that it doesn't go on the stack, but resolves immediately. A triggered ability is a mana ability if it has the capability to produce mana, doesn't target anything, and triggers by activating another (activated) mana ability.
Effects can also create a delayed trigger ability, which waits until the next time its conditions are fulfilled, then triggers usually once. (Delayed triggers that state a duration will trigger any time, within that duration, that their trigger event occurs.)
Using a triggered ability is not optional. When triggered, the controller can't refuse to put the ability on the stack. Nor can he or she choose an illegal target, if a target is required. If a targeted ability has no legal targets in play, it still triggers and goes on the stack, but is taken off immediately.
Triggered abilities are cumulative, and multiple instances of the same triggered ability on a permanent will each trigger separately.
External links
- Matt Tabak (February 04, 2013). "Missed Trigger Update". magicthegathering.com. Wizards of the Coast.