Is Vitalizing Cascade legal in Standard, Modern, and Commander?

Vitalizing Cascade is legal in: Legacy, Vintage, Commander.

What type of card is Vitalizing Cascade?

Vitalizing Cascade is an Instant. Its oracle text reads: "You gain X plus 3 life."

Instant

You gain X plus 3 life.

Set Mirage

Rarity Uncommon

Artist Rebecca Guay

Instant Commander Legacy Vintage