Fallaji Excavation is a uncommon Sorcery card from The Brothers' War (BRO), collector number 178. Current market price: $0.07 (foil $0.19), TCGplayer market prices via Scryfall.
Create three tapped Powerstone tokens. You gain 3 life. (The tokens are artifacts with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.")