Is Rust Tick legal in Standard, Modern, and Commander?

Rust Tick is legal in: Modern, Legacy, Vintage, Commander.

What type of card is Rust Tick?

Rust Tick is an Artifact Creature — Insect. Its oracle text reads: "You may choose not to untap this creature during your untap step. {1}, {T}: Tap target artifact. It doesn't untap during its controller's untap step for as long as this creature remains tapped."