Teferi, Solver of Puzzles

0: This card can be your commander. When one ore more players would draw one or more cards, put a loyalty counter on a Teferi planeswalker.
-1: Each player puts the cards in their hand on the bottom of their library in any order, then draws that many cards plus one.
-10: You get an emblem: You may play spells from your library as tough they were in your hand as long you control a Teferi Planeswalker.