Lurking terror

Terror (This creature deals damage in -1/-1 counters.
Any creature that receives any -1/-1 counters from
this creature also receives a terrified counter).
Flying, ward {2}.
{t}: Remove any number of terrified counters
from a creature, then put that many -1/-1
counters on that creature. If a creature is put
into the graveyard from this ability create a
1/1 black horror creature token.