Primitive Justice is a uncommon Sorcery card from Alliances (ALL), collector number 77. Current market price: $0.29, TCGplayer market prices via Scryfall.
As an additional cost to cast this spell, you may pay {1}{R} and/or {1}{G} any number of times. Destroy target artifact. For each additional {1}{R} you paid, destroy another target artifact. For each additional {1}{G} you paid, destroy another target artifact, and you gain 1 life.