Is Burdened Aerialist legal in Standard, Modern, and Commander?

Burdened Aerialist is legal in: Modern, Legacy, Vintage, Commander, Pauper, Historic.

What type of card is Burdened Aerialist?

Burdened Aerialist is a Creature — Human Pirate. Its oracle text reads: "When this creature enters, create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.") Whenever you sacrifice a token, this creature gains flying until end of turn."