Double Cross is a common Sorcery card from Unglued (UGL), collector number 31. Current market price: $0.24, TCGplayer market prices via Scryfall.
Choose another player. Look at that player's hand and choose a card other than a basic land card from it. They discard that card. At the beginning of the first upkeep in your next game with that player, look at that player's hand and choose a card other than a basic land card from it. They discard that card.