Is Heirloom Blade legal in Standard, Modern, and Commander?

Heirloom Blade is legal in: Legacy, Vintage, Commander.

Heirloom Blade

Q: What type of card is Heirloom Blade?

Heirloom Blade is an Artifact — Equipment. Its oracle text reads: "Equipped creature gets +3/+1. Whenever equipped creature dies, you may reveal cards from the top of your library until you reveal a creature card that shares a creature type with it. Put that card into your hand and the rest on the bottom of your library in a random order. Equip {1}"

Artifact — Equipment

Equipped creature gets +3/+1.

Whenever equipped creature dies, you may reveal cards from the top of your library until you reveal a creature card that shares a creature type with it. Put that card into your hand and the rest on the bottom of your library in a random order.

Equip