Is Arctic Aven legal in Standard, Modern, and Commander?

Arctic Aven is legal in: Modern, Legacy, Vintage, Commander.

What type of card is Arctic Aven?

Arctic Aven is a Creature — Bird Wizard. Its oracle text reads: "Flying This creature gets +1/+1 as long as you control a Plains. {W}: This creature gains lifelink until end of turn. (Damage dealt by this creature also causes you to gain that much life.)"