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

Scavenged Blade is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Pauper, Historic.

Scavenged Blade

Q: What type of card is Scavenged Blade?

Scavenged Blade is an Artifact — Equipment. Its oracle text reads: "When this Equipment enters, attach it to target creature you control. Equipped creature gets +2/+0. Equip {2}{R} ({2}{R}: Attach to target creature you control. Equip only as a sorcery.)"