Golganar, Throne of Bone

Golganar, Throne of Bone enters the battlefield
tapped unless you control three or more
creatures.
{t}, Add {g} to your mana pool for each creature
you control.
"Prey or predator, all fall victim to the untimely death
at their hands. We are greater than this. Let them
know!" — Oo'rag, Goblin Hero.