ho-Nam, Vendetta Repaid

Flash
Whenever a spell is countered by ho-Nam's controller, that player has until the end of their next turn to win. If that player doesn't, that player loses the game instead. Whenever ho-Nam's controller is dealt damage, that source's controller has until the end of their next turn to win. If that player doesn't, that player loses the game instead.
"Consider your debt, repaid"
-ho-Nam