Is Postmortem Lunge legal in Standard, Modern, and Commander?

Postmortem Lunge is legal in: Modern, Legacy, Vintage, Commander.

Postmortem Lunge

Q: What type of card is Postmortem Lunge?

Postmortem Lunge is a Sorcery. Its oracle text reads: "({B/P} can be paid with either {B} or 2 life.) Return target creature card with mana value X from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step."