Is Magus of the Arena legal in Standard, Modern, and Commander?

Magus of the Arena is legal in: Modern, Legacy, Vintage, Commander.

Magus of the Arena

Q: What type of card is Magus of the Arena?

Magus of the Arena is a Creature — Human Wizard. Its oracle text reads: "{3}, {T}: Tap target creature you control and target creature of an opponent's choice they control. Those creatures fight each other. (Each deals damage equal to its power to the other.) *The magus still hears the roar of the crowds. They're gone, but the will to compete remains.* Power/Toughness: 5/5"

Creature — Human Wizard

, : Tap target creature you control and target creature of an opponent's choice they control. Those creatures fight each other. (Each deals damage equal to its power to the other.)