Leyline of the Void is a special Enchantment card from Time Spiral Remastered (TSR), collector number 326. Current market price: $2.37 (foil $89.13), 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.