On the eve of All Hallows, the ancient mana lines that crisscross the Multiverse are surging with power. Bring your strongest Leyline strategies (or build one on the spot!) and experience the thrill of starting the game with these game-warping enchantments already on the battlefield.Whether you're locking out opponents with Leyline of the Void, exploding with mana via Leyline of Abundance, or going wide with protection from Leyline of Sanctity, this is the night to let your Leylines shine.