Deity of Sacrifice

Whenever a Shaman creature enters the battlefield, you may put a -1/-1 counter on target creature. If you do, add {g}{g}.
"The shamans of this world know that all power comes with a price. The price of joy is pain. The price of life is death. And the price that they pay
for a dream of hope is the risk of waking again
to a world of despair." -- Ashiok