Hounding to his Death
The Betrayal of Mîm #212 (x3)

Combat Action: Choose a character you control. That character deals X damage to an enemy engaged with you. X is the character's printed Then, that chracter becomes corrupted.

..but Túrin came after him like a hound, and however he ran, or swerved, still the sword was behind him to egg him on.
–The Children of Húrin