Angel of Grace is a mythic Creature — Angel card from Ravnica Allegiance (RNA), collector number 1. Current market price: $0.87 (foil $4.11), TCGplayer market prices via Scryfall.
Flash Flying When this creature enters, until end of turn, damage that would reduce your life total to less than 1 reduces it to 1 instead. {4}{W}{W}, Exile this card from your graveyard: Your life total becomes 10.