Sensei's Divining Top is a uncommon Artifact card from Champions of Kamigawa (CHK), collector number 268. Current market price: $40.94 (foil $129.89), TCGplayer market prices via Scryfall.
{1}: Look at the top three cards of your library, then put them back in any order. {T}: Draw a card, then put this artifact on top of its owner's library.