Leyline of Leylines

If Leyline of Leylines is in your opening hand,
you may begin the game with it on the battlefield.
Whenever a permanent with "Leyline" in its
name enters the battlefield from your hand, you
may search your library for another card with "Leyline" in its name, put it onto the battlefield,
then shuffle your library. If you do, target
opponent may draw a card.