Is Essence of Orthodoxy legal in Standard, Modern, and Commander?

Essence of Orthodoxy is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Historic.

Essence of Orthodoxy

Q: What type of card is Essence of Orthodoxy?

Essence of Orthodoxy is a Creature — Phyrexian. Its oracle text reads: "Flying Whenever this creature or another Phyrexian you control enters, incubate 2. (Create an Incubator token with two +1/+1 counters on it and "{2}: Transform this token." It transforms into a 0/0 Phyrexian artifact creature.) Power/Toughness: 3/3"

Creature — Phyrexian

Flying

Whenever this creature or another Phyrexian you control enters, incubate 2. (Create an Incubator token with two +1/+1 counters on it and ": Transform this token." It transforms into a 0/0 Phyrexian artifact creature.)