Path of the Penvari

Whenever any number of cards are put from
a library into a graveyard, create a 2/2 zombie
token and put a quest counter on this card.
{u}{b}: Create a 4/4 Zombie Knight creature token
with menace. Activate this ability only if Path of
the Penvari has five or more quest counters on it.
Necromancy is a family business