Dagorlad

As Dagorlad enters the battlefield, you may reveal a Giant card from your hand. If you don't, Dagorlad enters the battlefield tapped.
{t}: Add {r} or {w} to your mana pool.
They had come to the desolation that lay before Mordor;
the lasting monument to the dark labors of it’s slaves that should endure when all their purposes were made void.