Leyline of Unshuffling

If Leyline of Unshuffling is in your opening hand,
you may begin the game with it on the battlefield.

At the start of any turn, exile Leyline of Unshuffling. Each player deals all cards from the top of their library into X stacks, where X is equal to the number of cards in their hand. Then, each player puts one card from their hand on the bottom of each stack. Players return the stacks to the top of their library in any order and draw seven cards.