Is Angel's Herald legal in Standard, Modern, and Commander?

Angel's Herald is legal in: Modern, Legacy, Vintage, Commander.

Angel's Herald

Q: What type of card is Angel's Herald?

Angel's Herald is a Creature — Human Cleric. Its oracle text reads: "{2}{W}, {T}, Sacrifice a green creature, a white creature, and a blue creature: Search your library for a card named Empyrial Archangel, put it onto the battlefield, then shuffle."

Creature — Human Cleric

, , Sacrifice a green creature, a white creature, and a blue creature: Search your library for a card named Empyrial Archangel, put it onto the battlefield, then shuffle.