Is Noble Quarry legal in Standard, Modern, and Commander?

Noble Quarry is legal in: Modern, Pioneer, Legacy, Vintage, Commander.

Noble Quarry

Q: What type of card is Noble Quarry?

Noble Quarry is an Enchantment Creature — Unicorn. Its oracle text reads: "Bestow {5}{G} (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.) All creatures able to block this creature or enchanted creature do so. Enchanted creature gets +1/+1."