Is Boon Satyr legal in Standard, Modern, and Commander?

Boon Satyr is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Historic.

Boon Satyr

Q: What type of card is Boon Satyr?

Boon Satyr is an Enchantment Creature — Satyr. Its oracle text reads: "FlashBestow {3}{G}{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 to a creature.)Enchanted creature gets +4/+2."

Enchantment Creature — Satyr

Flash<br>Bestow (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 to a creature.)<br>Enchanted creature gets +4/+2.