Sphinx Ambassador (M10) from Magic 2010, available at 401 Games Canada.

• Rarity: Mythic Rare
• Finish: Normal
• Artist: Jim Murray
• Card Text:
  Flying
  Whenever Sphinx Ambassador deals combat damage to a player, search that player's library for a card, then that player names a card. If you searched for a creature card that isn't the named card, you may put it onto the battlefield under your control. Then that player shuffles his or her library.