Is Tumble Magnet legal in Standard, Modern, and Commander?

Tumble Magnet is legal in: Modern, Legacy, Vintage, Commander, Pauper.

Tumble Magnet

Q: What type of card is Tumble Magnet?

Tumble Magnet is an Artifact. Its oracle text reads: "This artifact enters with three charge counters on it. {T}, Remove a charge counter from this artifact: Tap target artifact or creature. *Magnetic devices that keep massive golems and structures standing can also be used for the opposite purpose.*"