Hel, Goddess of Hel

As long as you have two or less Zombie creatures, Hel, Goddess of Hel isn't a creature.
Whenever a nontoken creature you control dies, put a corpse counter on Hel, Goddess of Hel. If that creature was a Zombie, draw a card.
{w}{b}, {t}, Remove all corpse counters from Hel, Goddess of Hel: Create a black 2/2 Zombie creature token for each counter removed
this way.