Is Ursine Champion legal in Standard, Modern, and Commander?

Ursine Champion is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Pauper, Historic.

Ursine Champion

Q: What type of card is Ursine Champion?

Ursine Champion is a Creature — Human Berserker. Its oracle text reads: "{5}{G}: This creature gets +3/+3 and becomes a Bear Berserker until end of turn. Activate only once each turn. *"Would you rather feel the edge of blade or the sharpness of my fangs?"* Power/Toughness: 2/2"