Norn's Wellspring is a rare Artifact card from Phyrexia: All Will Be One Promos (PONE), collector number 24p. Current market price: $0.29 (foil $0.40), TCGplayer market prices via Scryfall.
Whenever a creature you control dies, scry 1 and put an oil counter on this artifact. {1}, {T}, Remove two oil counters from this artifact: Draw a card.