Thran Tome
Weatherlight — rare
Artifact
Thran Tome rulings:
2007-05-01: After the opponent chooses which card to put into your graveyard, you draw two cards regardless of how many were actually revealed or how many you have left in your library.
2006-10-15: It does not target the cards, but it targets the opponent. If you can’t target an opponent, you can’t activate this ability.