Is Restless Bivouac legal in Standard, Modern, and Commander?

Restless Bivouac is legal in: Standard, Modern, Pioneer, Legacy, Vintage, Commander, Historic.

Restless Bivouac

Q: What type of card is Restless Bivouac?

Restless Bivouac is a Land. Its oracle text reads: "This land enters tapped. {T}: Add {R} or {W}. {1}{R}{W}: This land becomes a 2/2 red and white Ox creature until end of turn. It's still a land. Whenever this land attacks, put a +1/+1 counter on target creature you control."