Is Gleaming Barrier legal in Standard, Modern, and Commander?

Gleaming Barrier is legal in: Standard, Modern, Pioneer, Legacy, Vintage, Commander, Pauper, Historic.

What type of card is Gleaming Barrier?

Gleaming Barrier is an Artifact Creature — Wall. Its oracle text reads: "Defender When this creature dies, create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.") *"Gold without freedom might as well be lead." —Angrath* Power/Toughness: 0/4"