Is Skyward Spider legal in Standard, Modern, and Commander?

Skyward Spider is legal in: Standard, Modern, Pioneer, Legacy, Vintage, Commander, Pauper, Historic.

Skyward Spider

Q: What type of card is Skyward Spider?

Skyward Spider is a Creature — Spider Human Hero. Its oracle text reads: "Ward {2} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {2}.) This creature has flying as long as it's modified. (Equipment, Auras you control, and counters are modifications.)"