Fleeting Memories (SOI) from Shadows over Innistrad, available at 401 Games Canada.

• Rarity: Uncommon
• Finish: Normal
• Artist: Christine Choi
• Card Text:
  When Fleeting Memories enters the battlefield, investigate. (Put a colorless Clue artifact token onto the battlefield with "2, Sacrifice this artifact: Draw a card.")
  Whenever you sacrifice a Clue, target player puts the top three cards of his or her library into his or her graveyard.