Pharika, godess of venom

Indestructible
As long as your devotion to black and green is
less then seven, Pharika isn't a creature.
Whenever another creature you control dies
you may put a -1/-1 counter on target creature
{1}{b}{g}: Sacrifice a permanent, if it was a creature create green snakes 1/1 with deathtouch equal to
that creature's power, otherwise you gain
3 life.