Is Wingspan Mentor legal in Standard, Modern, and Commander?

Wingspan Mentor is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Historic.

What type of card is Wingspan Mentor?

Wingspan Mentor is a Creature — Human Wizard. Its oracle text reads: "When this creature enters, put a flying counter on target non-Human creature you control. {2}{U}, {T}: Put a +1/+1 counter on each creature you control with flying. *Their bond grew over time, as did the height of their jumps.* Power/Toughness: 1/3"