Zefnir, God of Corruption

Unholy Entrance — Whenever Zefnir, God
of Corruption enters the battlefield destroy
up to X noncreature nonland permanents
then create X 2/2 black zombie creature tokens.
Insue Death — {8}{b}{r}{t} Sacrifice Zefnir,
God of Corruption: Destroy all nonland permanents on the battlefield