Tempt with Discovery is a rare Sorcery card from Bloomburrow Commander (BLC), collector number 124. Current market price: $2.69, TCGplayer market prices via Scryfall.
Tempting offer — Search your library for a land card and put it onto the battlefield. Each opponent may search their library for a land card and put it onto the battlefield. For each opponent who searches a library this way, search your library for a land card and put it onto the battlefield. Then each player who searched a library this way shuffles.