Is Raging Ravine legal in Standard, Modern, and Commander?

Raging Ravine is legal in: Modern, Legacy, Vintage, Commander, Historic.

Raging Ravine

Q: What type of card is Raging Ravine?

Raging Ravine is a Land. Its oracle text reads: "This land enters tapped. {T}: Add {R} or {G}. {2}{R}{G}: Until end of turn, this land becomes a 3/3 red and green Elemental creature with "Whenever this creature attacks, put a +1/+1 counter on it." It's still a land."

Land

This land enters tapped.

: Add or .

: Until end of turn, this land becomes a 3/3 red and green Elemental creature with "Whenever this creature attacks, put a +1/+1 counter on it." It's still a land.