Is Moonsnare Specialist legal in Standard, Modern, and Commander?

Moonsnare Specialist is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Pauper, Historic.

Moonsnare Specialist

Q: What type of card is Moonsnare Specialist?

Moonsnare Specialist is a Creature — Human Ninja. Its oracle text reads: "Ninjutsu {2}{U} ({2}{U}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.) When this creature enters, return up to one target creature to its owner's hand."