Sporecradle

Whenever a creature is dealt damage by a
Saproling or a Fungus, put a spore counter on it.
Whenever a non-Fungus creature dies, if it had
a spore counter on it, create a 3/3 black and
green Fungus Zombie creature token.
{g}{b}, Sacrifice a Saproling: Put a spore counter
on target nontoken creature.