Fungistomp

You may have any number of cards named
Fungistomp in your library.
{g}{g}, Sacrifice fifteen creatures named
Fungistomp. Create the 12/12 Legendary plant
Creature Token, Nirogiragar with (Trample, Lifelink, and when this creature dies create green Saproling creature token equal to the number of
cards named Fungistomp in your graveyard.)