Joseph, Stardust Crusader

{t}{x} Scry x number of cards. You may put any number of cards in your hand, then shuffle the remainder into your library.
If a Legendary card was put into your hand this way, play it without paying it's mana cost this turn.
{t}{5} You choose a card from target opponent's hand at random, then exile it. If target opponent's commander is on the battle field, you may view target opponent's hand and choose a card to exile.