Is Clergy of the Holy Nimbus legal in Standard, Modern, and Commander?

Clergy of the Holy Nimbus is legal in: Legacy, Vintage, Commander, Pauper.

What type of card is Clergy of the Holy Nimbus?

Clergy of the Holy Nimbus is a Creature — Human Cleric. Its oracle text reads: "If Clergy of the Holy Nimbus would be destroyed, regenerate it.{1}: Clergy of the Holy Nimbus can't be regenerated this turn. Only your opponents may activate this ability."

Clergy of the Holy Nimbus

Creature — Human Cleric

If Clergy of the Holy Nimbus would be destroyed, regenerate it.<br>: Clergy of the Holy Nimbus can't be regenerated this turn. Only your opponents may activate this ability.