Ongoing Investigation (SOI) from Shadows over Innistrad, available at 401 Games Canada.

• Rarity: Uncommon
• Finish: Normal
• Artist: Bud Cook
• Card Text:
  Whenever one or more creatures you control deal combat damage to a player, investigate. (Put a colorless Clue artifact token onto the battlefield with "2, Sacrifice this artifact: Draw a card.")
  1G, Exile a creature card from your graveyard: Investigate. You gain 2 life.