River of Donjar

River of Jondar enters tapped.
{t}: Add {w}{u}{g}
{t},{w}{u}{g}, Sacrifice River of Jondar: Remove any number of counters from any number of
permanents or players.
At the beginning of your upkeep pay {w}{u}, {w}{g}, or {u}{g}. If you cant, sacrifice
River of Jondar.