Soothsayer's Writings

Look at the botton card of your library. You
may add it to your hand. If you don't, draw a card.
Spellcraft 3 - {2}{u}{u}: Whenever you shuffle
your library. (You may cast this card for its spellcrafting cost. If you do, exile it as it resolves.
Cast a copy of this spell next 3 times you shuffle your library.)