Katilda, Dawnhart Prime is a rare Legendary Creature — Human Warlock card from Innistrad: Double Feature (DBL), collector number 230. Current market price: $3.15 (foil $9.94), TCGplayer market prices via Scryfall.
Protection from Werewolves Human creatures you control have "{T}: Add one mana of any of this creature's colors." {4}{G}{W}, {T}: Put a +1/+1 counter on each creature you control.