Leyline Binding is a rare Enchantment card from Dominaria United (DMU), collector number 24. Current market price: $0.51 (foil $0.75), TCGplayer market prices via Scryfall.
Flash Domain — This spell costs {1} less to cast for each basic land type among lands you control. When this enchantment enters, exile target nonland permanent an opponent controls until this enchantment leaves the battlefield.