Lead the Stampede is a uncommon Sorcery card from Mirrodin Besieged (MBS), collector number 82. Current market price: $0.33 (foil $4.92), TCGplayer market prices via Scryfall.
Look at the top five cards of your library. You may reveal any number of creature cards from among them and put the revealed cards into your hand. Put the rest on the bottom of your library in any order.