Is Spiteful Returned legal in Standard, Modern, and Commander?

Spiteful Returned is legal in: Modern, Pioneer, Legacy, Vintage, Commander.

Spiteful Returned

Q: What type of card is Spiteful Returned?

Spiteful Returned is an Enchantment Creature — Zombie. Its oracle text reads: "Bestow {3}{B} (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached.) Whenever this creature or enchanted creature attacks, defending player loses 2 life. Enchanted creature gets +1/+1."