Is Torrent Elemental legal in Standard, Modern, and Commander?

Torrent Elemental is legal in: Modern, Pioneer, Legacy, Vintage, Commander.

What type of card is Torrent Elemental?

Torrent Elemental is a Creature — Elemental. Its oracle text reads: "Flying Whenever this creature attacks, tap all creatures defending player controls. {3}{B/G}{B/G}: Put this card from exile onto the battlefield tapped. Activate only as a sorcery. Power/Toughness: 3/5"