Kiln of the First Flame

Kiln of the First Flame enters the battlefield
tapped.
{t}: Add one mana of any color in your
commander's color identity. When that mana is
spent to cast a creature spell that shares a
creature type with your commander, scry 1.
Thus began the Age of Fire. But soon the flames
will fade and only Dark will remain. Even now there
are only embers, and man sees not light, but only
endless nights.