Loyal Inventor is a uncommon Creature — Human Artificer card from Assassin's Creed (ACR), collector number 21. Current market price: $0.34 (foil $0.37), TCGplayer market prices via Scryfall.
Vigilance When this creature enters, you may search your library for an artifact card, reveal it, then shuffle. Put that card into your hand if you control an Assassin. Otherwise, put that card on top of your library.