Vokungen, Terror of Vanfang

Flying, impervious (This creature can't be destroyed by effects, abilities, or spells that would destroy it without dealing more damage than its toughness.)
When Vokungen, Terror of Vanfang enters the battlefield, put a terror counter on each other nonland permanent.
At the beginning of each upkeep, each opponent sacrifices a nonland permanent with a terror counter on it.