Zef, the Shadowed Trickster

First Strike, Shroud, Mold Breaker
Whenever Zef, Shadowed Trickster deals combat damage to a player, that player exiles a card from his or her hand at random.
{x}:Put a card exiled with Zef onto the battlefield under your control, where X is it's converted mana cost. Spend only {p/b} on X.
{p/b}: Blink Zef