Ongoing Investigation
Enchantment
Whenever one or more creatures you control deal combat damage to a player, investigate. (Create a Clue token. It's an artifact with ", Sacrifice this token: Draw a card.")
, Exile a creature card from your graveyard: Investigate. You gain 2 life.
Printings & Conditions (2)
Murders at Karlov Manor Commander (MKC)(Commander: Murders at Karlov Manor)#114Uncommon
Shadows over Innistrad (SOI)(Shadows Over Innistrad)#77Uncommon