Linvala, the Preserver is a mythic Legendary Creature — Angel card from Oath of the Gatewatch (OGW), collector number 25. Current market price: $0.99 (foil $4.92), TCGplayer market prices via Scryfall.
Flying When Linvala enters, if an opponent has more life than you, you gain 5 life. When Linvala enters, if an opponent controls more creatures than you, create a 3/3 white Angel creature token with flying.