How many times does a triggered ability activate for each trigger condition that occurs?

Triggered abilities activate once for each instance of their trigger condition that occurs. When the specified conditions listed in the ability are met, the ability will trigger and be put onto the stack. This means that regardless of how many times the trigger condition occurs—whether it’s damage being dealt, a player drawing a card, or any other specified event—the triggered ability will only activate once for that specific instance of the trigger.

This principle applies uniformly across all triggered abilities, regardless of type or effect, solidifying that the answer is only once. It is also important to distinguish that triggering multiple times requires different trigger conditions to occur again, not multiple instances of a single triggering event leading to multiple activations of the same ability. Thus, the understanding of how many times an ability activates is critical in gameplay, ensuring clarity and adherence to the rules surrounding how abilities function.