Yajaki, Armillary Magus

0: Gain emblem: "Put the top half of your library in a second pile. Instances of 'Library' refer to either. Instances of 'Shuffle' shuffles both."
+1: Look at the top card of your library, you may put that card on the top of your library or at the bottom of your library.
-5: You may put any number of cards from your library onto the top of your library. Then shuffle your library.