Tomb Angel Ward

Fading 1, sight (Once per turn during your main phase, you may chose a card in your opponent hand.
He or she plays with that card revealed.)
When this card enters the battlefield, search your library for a basic land card, reveal it, and put it into your hand. Then shuffle your library.
When this card leaves the battlefield, you may seach your graveyard for a card, then put it on
the top of your library.