Western Sluice Gate

Western Sluice Gate enters the battlefield tapped.
As Western Sluice Gate enters the battlefield, choose a color other than blue.
{t}: Add {u} or one mana of the chosen color.
The great Sluice Gates once held the power to doom or save the continent of Valm. The structures were of such importance that they were key points in the travels of Saint King Alm the First and his wife, Queen Celica the Wise.