Absorb Vis is a common Sorcery card from Conspiracy: Take the Crown (CN2), collector number 126. Current market price: $0.23 (foil $0.22), TCGplayer market prices via Scryfall.
Target player loses 4 life and you gain 4 life. Basic landcycling {1}{B} ({1}{B}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)