Isengard

{t}: Add {w} or {b} to your mana pool.
{t}: Add {w}{b} to your mana pool. Spend this mana only on white or black spells.
{1}{w}{b}, {t}: Create a 2/2 Uruk-Hai creature token.
{3}{w}{b}, {t}: Destroy target basic land. You get a basic band token called Wastes with '{t}: add {c} to your mana pool.'
The threat of Mordor's corruption does not stop at the Mountains of Shadow and Ash.