Rivendell

{g/u}{g/w}, {t}: Add {w}{u}{g}.
—
{g/w}{w/u}, {t}: exile target creature you control. Then
return it to the battlefield tapped under your
control. Activate this ability only any time
you could cast a sorcery.
—
{g/u}{w/u}, {t}: scry 2. Then you may reveal the top
card of your library. If it's a land card you may
put it in to your hand.