Sigarda, Heron's Grace is a mythic Legendary Creature — Angel card from Shadows over Innistrad (SOI), collector number 250. Current market price: $0.47 (foil $4.44), TCGplayer market prices via Scryfall.
Flying You and Humans you control have hexproof. {2}, Exile a card from your graveyard: Create a 1/1 white Human Soldier creature token.