Is Baaallerina legal in Standard, Modern, and Commander?

Baaallerina is legal in: Commander. It is banned in: Legacy, Vintage.

What type of card is Baaallerina?

Baaallerina is a Creature — Sheep Performer. Its oracle text reads: "Flying When this creature enters, you may put a name sticker on a nonland permanent you own. {2}{U}: Another target creature with a name sticker on it gains flying until end of turn. *Cute as a mutton.* Power/Toughness: 3/3"