Inquisitor Eisenhorn is a rare Legendary Creature — Human Inquisitor card from Warhammer 40,000 Commander (40K), collector number 127. Current market price: $0.47, TCGplayer market prices via Scryfall.
You may reveal the first card you draw each turn as you draw it. Whenever you reveal an instant or sorcery card this way, create Cherubael, a legendary 4/4 black Demon creature token with flying. Whenever Inquisitor Eisenhorn deals combat damage to a player, investigate that many times. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.")