Search the Premises is a rare Enchantment card from Modern Horizons 2 (MH2), collector number 332. Current market price: $0.33 (foil $0.35), TCGplayer market prices via Scryfall.
Whenever a creature attacks you or a planeswalker you control, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.")