Over the Top is a rare Sorcery card from The Brothers' War (BRO), collector number 146. Current market price: $0.26 (foil $0.35), TCGplayer market prices via Scryfall.
Each player reveals a number of cards from the top of their library equal to the number of nonland permanents they control, puts all permanent cards they revealed this way onto the battlefield, and puts the rest into their graveyard.