Masked Gorgon is a rare Creature — Gorgon card from Judgment (JUD), collector number 69. Current market price: $0.39 (foil $27.02), TCGplayer market prices via Scryfall.
Green creatures and white creatures have protection from Gorgons. Threshold — This creature has protection from green and from white as long as there are seven or more cards in your graveyard.