Is Shambling Ghast legal in Standard, Modern, and Commander?

Shambling Ghast is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Pauper, Historic.

Shambling Ghast

Q: What type of card is Shambling Ghast?

Shambling Ghast is a Creature — Zombie. Its oracle text reads: "When this creature dies, choose one — • Target creature an opponent controls gets -1/-1 until end of turn. • Create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")"