Is Wayward Servant legal in Standard, Modern, and Commander?

Wayward Servant is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Historic.

Wayward Servant

Q: What type of card is Wayward Servant?

Wayward Servant is a Creature — Zombie. Its oracle text reads: "Whenever another Zombie you control enters, each opponent loses 1 life and you gain 1 life. *If one of the anointed fails to serve with perfect obedience, the desert is always ready to receive it.* Power/Toughness: 2/2"