Misa Amane

When Misa Amane enters the battlefield you may earch your library for a planswalker, reveal it and put it into your hand. If you searched your library this way, shuffle it.
{p/b}{p/w},{t}, Sacrifice Misa Amane or a planeswalker: Return target planeswalker from your graveyard to the battlefield.
Partner (You can have two commanders if both have partner.)