Ob Nixilis, the Ascended is a rare Legendary Creature — Angel card from Reality Fracture Commander (FRC), collector number 90. Current market price: $2.26, TCGplayer market prices via Scryfall.
Flying When Ob Nixilis enters, destroy all tapped creatures your opponents control. You gain 1 life for each creature destroyed this way. At the beginning of each end step, if you gained life this turn, create a 4/4 white Angel creature token with flying.