Jester's Scepter is a rare Artifact card from Coldsnap (CSP), collector number 137. Current market price: $0.45 (foil $9.00), TCGplayer market prices via Scryfall.
When this artifact enters, exile the top five cards of target player's library face down. You may look at those cards for as long as they remain exiled. {2}, {T}, Put a card exiled with this artifact into its owner's graveyard: Counter target spell if it has the same name as that card.