Leyline of the Void is a rare Enchantment card from Wilds of Eldraine: Enchanting Tales (WOT), collector number 30. Current market price: $0.90 (foil $3.53), TCGplayer market prices via Scryfall.
If this card is in your opening hand, you may begin the game with it on the battlefield. If a card would be put into an opponent's graveyard from anywhere, exile it instead.