Whispers of Emrakul is a uncommon Sorcery card from Eldritch Moon (EMN), collector number 114. Current market price: $0.20 (foil $0.63), TCGplayer market prices via Scryfall.
Target opponent discards a card at random. Delirium — If there are four or more card types among cards in your graveyard, that player discards two cards at random instead.