Deadly Dispute is a common Instant card from Secret Lair Drop (SLD), collector number IFIYW-1. Current market price: $1.24 (foil $1.76), 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.")