Is Zephyr Boots legal in Standard, Modern, and Commander?

Zephyr Boots is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Historic.

Zephyr Boots

Q: What type of card is Zephyr Boots?

Zephyr Boots is an Artifact — Equipment. Its oracle text reads: "Equipped creature has flying. Whenever equipped creature deals combat damage to a player, draw a card, then discard a card. Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)"