Betzazel, the Oathbreaker

When Betzazel, the Oathbreaker enters the battlefield, tap all enemy creatures that don't have vengeance ability.
Undergrowth - the mana cost of this creature reduces for each creature in enemy graveyard by {1}.
{2}{b/r}, {t}: Dreadful Aspect: Target creature doesn't untap during its controller's next untap step.
"I would urge you to run, but then I would have to walk you further to gather your skull."