Is Scrapyard Steelbreaker legal in Standard, Modern, and Commander?

Scrapyard Steelbreaker is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Pauper, Historic.

Scrapyard Steelbreaker

Q: What type of card is Scrapyard Steelbreaker?

Scrapyard Steelbreaker is an Artifact Creature — Human Warrior. Its oracle text reads: "{1}, Sacrifice another artifact: This creature gets +2/+1 until end of turn. *"You've got about three seconds to get out of here before you get a faceful of metal."* Power/Toughness: 3/4"