Renhearth, Lord of Luxor

Vigilance
When Renhearth, Lord of Luxor enters the battlefield look at the top three cards of an
opponent's library, exile one of them face
down, then remove the rest from game.
You may cast the face down card from exile
regardless of it's color identity.
When Renhearth, Lord of Luxor dies or is put
into exile from the battlefield you may put it into
its owner's library third from the top.