Core Rules › 808Rule 808.1Deathknell is a Triggered Ability keyword.808.1.a It is present on Permanents.808.1.b It is formatted as "[Deathknell][>] [Effect]".808.1.c It is functionally short for "When I die, [Effect]."808.1.d The Trigger for this and similar effects that trigger on their source’s death is the Permanent being Killed and sent…Official Core Rules