Onakke Oathkeeper 722/451 (Commander Masters)

Creatures can't attack planeswalkers you control unless their controller pays {1} for each creature they control that's attacking a planeswalker you control. {4}{W}{W}, Exile this card from your graveyard: Return target planeswalker card from your graveyard to the battlefield.

NM - $18.00
LP - $14.50
MP - $11.00
HP - $7.50
DMG - $4.00