Grinning Totem is a rare Artifact card from Mirage (MIR), collector number 303. Current market price: $0.75, TCGplayer market prices via Scryfall.
{2}, {T}, Sacrifice this artifact: Search target opponent's library for a card and exile it. Then that player shuffles. Until the beginning of your next upkeep, you may play that card. At the beginning of your next upkeep, if you haven't played it, put it into its owner's graveyard.