Ravenous Manpig

Terrifying
(This creature deals combat damage to
players in the form of Insanity counters.
Whenever Ravenous Manpig is blocked, tap the
creature blocking Ravenous Manpig - that
creature doesn't untap during its controller's
next untap step.)
{t}, Sacrifice a Human: put two +1+1 counters on Ravenous Manpig.