Creatures can't attack planeswalkers you control unless their controller pays 1 for each creature they control that's attacking a planeswalker you control.
4WW, Exile Onakke Oathkeeper from your graveyard: Return target planeswalker card from your graveyard to the battlefield.
![Onakke Oathkeeper (Extended Art) [Commander Masters] MTG Single Magic: The Gathering | Multizone: Comics And Games](http://multizone-comics-and-games.myshopify.com/cdn/shop/files/e852dfd7-70c7-5222-9ef4-5f2bea95e442.png?v=1736665762)
