Inquisitor Greyfax is a mythic Legendary Creature — Human Inquisitor card from Warhammer 40,000 Commander (40K), collector number 173. Current market price: — (foil $0.71), TCGplayer market prices via Scryfall.
Vigilance Unquestionable Wisdom — Other creatures you control get +1/+0 and have vigilance. Hunt for Heresy — {1}, {T}: Tap target creature an opponent controls. Investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.")