Daru Healer is a common Creature — Human Cleric card from Onslaught (ONS), collector number 19. Current market price: $0.07 (foil $0.92), TCGplayer market prices via Scryfall.
{T}: Prevent the next 1 damage that would be dealt to any target this turn. Morph {W} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)