Atraxa Ascendant

+1: Put a loyalty counter on Atraxa Ascendant for each other planeswalker you control.
-X: Search your library for a Planeswalker with converted mana cost X reveal that card then shuffle your library placing that card on top.
-8: You get an emblem with "At the beginning of your end step proliferate." Atraxa Ascendant can be your commander