Is Contested Game Ball legal in Standard, Modern, and Commander?

Contested Game Ball is legal in: Standard, Modern, Pioneer, Legacy, Vintage, Commander, Historic.

What type of card is Contested Game Ball?

Contested Game Ball is an Artifact. Its oracle text reads: "Whenever you're dealt combat damage, the attacking player gains control of this artifact and untaps it. {2}, {T}: Draw a card and put a point counter on this artifact. Then if it has five or more point counters on it, sacrifice it and create a Treasure token."