Dragon's Smile is a rare Legendary Artifact — Vehicle card from Mystery Booster: Commander Edition (MBC), collector number 22.
Flying Once during each of your turns, you may pay {0} rather than pay the mana cost for a spell you cast from exile. Whenever Dragon's Smile deals combat damage to a player, that player exiles that many cards from the top of their library. You may play those cards this turn. Crew 3