Is Brotherhood Patriarch legal in Standard, Modern, and Commander?

Brotherhood Patriarch is legal in: Modern, Legacy, Vintage, Commander, Pauper.

Brotherhood Patriarch

Q: What type of card is Brotherhood Patriarch?

Brotherhood Patriarch is a Creature — Human Assassin. Its oracle text reads: "When this creature dies, each opponent loses 2 life and you gain 2 life. *"Don't you recognize me? It's a-me, Mario!" —Mario Auditore, to his nephew Ezio* Power/Toughness: 4/1"