Is Planar Outburst legal in Standard, Modern, and Commander?

Planar Outburst is legal in: Modern, Pioneer, Legacy, Vintage, Commander.

What type of card is Planar Outburst?

Planar Outburst is a Sorcery. Its oracle text reads: "Destroy all nonland creatures. Awaken 4—{5}{W}{W}{W} (If you cast this spell for {5}{W}{W}{W}, also put four +1/+1 counters on target land you control and it becomes a 0/0 Elemental creature with haste. It's still a land.)"

Planar Outburst

Sorcery

Destroy all nonland creatures.

Awaken 4— (If you cast this spell for , also put four +1/+1 counters on target land you control and it becomes a 0/0 Elemental creature with haste. It's still a land.)