Is Bubble Smuggler legal in Standard, Modern, and Commander?

Bubble Smuggler is legal in: Standard, Modern, Pioneer, Legacy, Vintage, Commander, Pauper, Historic.

What type of card is Bubble Smuggler?

Bubble Smuggler is a Creature — Octopus Fish. Its oracle text reads: "Disguise {5}{U} (You may cast this card face down for {3} as a 2/2 creature with ward {2}. Turn it face up any time for its disguise cost.) As this creature is turned face up, put four +1/+1 counters on it."