Is Shuriken legal in Standard, Modern, and Commander?

Shuriken is legal in: Modern, Legacy, Vintage, Commander.

Shuriken

Q: What type of card is Shuriken?

Shuriken is an Artifact — Equipment. Its oracle text reads: "Equipped creature has "{T}, Unattach Shuriken: Shuriken deals 2 damage to target creature. That creature's controller gains control of Shuriken unless it was unattached from a Ninja." Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)"

Artifact — Equipment

Equipped creature has ", Unattach Shuriken: Shuriken deals 2 damage to target creature. That creature's controller gains control of Shuriken unless it was unattached from a Ninja."