Strangling Soot is a common Instant card from Time Spiral Remastered (TSR), collector number 140. Current market price: $0.03 (foil $0.08), TCGplayer market prices via Scryfall.
Destroy target creature with toughness 3 or less. Flashback {5}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)