Deadly Dispute is a rare Instant card from 30th Anniversary Play Promos (P30A), collector number 29. Current market price: — (foil $0.78), TCGplayer market prices via Scryfall.
As an additional cost to cast this spell, sacrifice an artifact or creature. Draw two cards and create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")