Is Sunfall legal in Standard, Modern, and Commander?

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

Sunfall

Q: What type of card is Sunfall?

Sunfall is a Sorcery. Its oracle text reads: "Exile all creatures. Incubate X, where X is the number of creatures exiled this way. (Create an Incubator token with X +1/+1 counters on it and "{2}: Transform this token." It transforms into a 0/0 Phyrexian artifact creature.)"

Sorcery

Exile all creatures. Incubate X, where X is the number of creatures exiled this way. (Create an Incubator token with X +1/+1 counters on it and ": Transform this token." It transforms into a 0/0 Phyrexian artifact creature.)