Yasigana, the Page-Breaker

At the beginning of your upkeep, each player loses 1 life for each Page you control.
{t}: Create a colorless Page artifact token with "When this artifact enters the battlefield, exile a noncreature card from your hand" and "{t}, Sacrifice this artifact: Copy a spell you own exiled with this Page. You may cast the copy. When you do, it costs {2} less to cast and can be cast as though it had flash."