Deadly Dispute is a common Instant card from Tarkir: Dragonstorm Commander (TDC), collector number 177. Current market price: $0.46, 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.")