Drag the Canal is a rare Instant card from Murders at Karlov Manor Promos (PMKM), collector number 199p. Current market price: $0.30 (foil $0.25), TCGplayer market prices via Scryfall.
Create a 2/2 white and blue Detective creature token. If a creature died this turn, you gain 2 life, surveil 2, then investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.")