Is Saberclaw Golem legal in Standard, Modern, and Commander?

Saberclaw Golem is legal in: Modern, Legacy, Vintage, Commander, Pauper.

Saberclaw Golem

Q: What type of card is Saberclaw Golem?

Saberclaw Golem is an Artifact Creature — Golem. Its oracle text reads: "{R}: This creature gains first strike until end of turn. *The warriors of the Blade Tribe charged the golem, twenty strong. They returned numbering ten . . . and a half.* Power/Toughness: 4/2"