Is Onakke Oathkeeper legal in Standard, Modern, and Commander?

Onakke Oathkeeper is legal in: Legacy, Vintage, Commander.

Onakke Oathkeeper

Q: What type of card is Onakke Oathkeeper?

Onakke Oathkeeper is a Creature — Ogre Spirit. Its oracle text reads: "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. Power/Toughness: 0/4"

Creature — Ogre Spirit

Creatures can't attack planeswalkers you control unless their controller pays for each creature they control that's attacking a planeswalker you control.

, Exile this card from your graveyard: Return target planeswalker card from your graveyard to the battlefield.