Is Sedris, the Traitor King legal in Standard, Modern, and Commander?

Sedris, the Traitor King is legal in: Modern, Legacy, Vintage, Commander.

Sedris, the Traitor King

Q: What type of card is Sedris, the Traitor King?

Sedris, the Traitor King is a Legendary Creature — Zombie Warrior. Its oracle text reads: "Each creature card in your graveyard has unearth {2}{B}. ({2}{B}: Return the card to the battlefield. The creature gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.) *He bids his minions rise from their graves to their knees.* Power/Toughness: 5/5"

Legendary Creature — Zombie Warrior

Each creature card in your graveyard has unearth . (: Return the card to the battlefield. The creature gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)