Incorrect rules interactions
My Syr Vondam, Sunstar Exemplar was on the board as a 9/9, as was a bunch of other nonland permanents on both sides. My opponent killed it with a Tragic Trajectory by giving it -10/-10. As it died, Syr Vondam's ability didn't trigger. My Syr Vondam went in the graveyard and that was it. His power was "4 or greater" and it didn't let me "destroy up to one target nonland permanent".
I've been looking at the comprehensive rules and I didn't notice anything that would suggest Syr Vondam's death trigger couldn't trigger. I saw this, but nothing else of relevance :
- 700.4. The term dies means “is put into a graveyard from the battlefield.”
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Rezzahan#77802
commented
It's power was -1 when it died, due to the Tragic Trajectory.