Is Batwing Brume legal in Standard, Modern, and Commander?

Batwing Brume is legal in: Modern, Legacy, Vintage, Commander.

What type of card is Batwing Brume?

Batwing Brume is an Instant. Its oracle text reads: "Prevent all combat damage that would be dealt this turn if {W} was spent to cast this spell. Each player loses 1 life for each attacking creature they control if {B} was spent to cast this spell. (Do both if {W}{B} was spent.)"

Batwing Brume

Instant

Prevent all combat damage that would be dealt this turn if was spent to cast this spell. Each player loses 1 life for each attacking creature they control if was spent to cast this spell. (Do both if was spent.)