Is Brass Knuckles legal in Standard, Modern, and Commander?

Brass Knuckles is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Pauper, Historic.

What type of card is Brass Knuckles?

Brass Knuckles is an Artifact — Equipment.

Artifact — Equipment

Set PIP

Rarity Uncommon

Mana Value 4

Artist Russell Lu

Collector # 227

Scryfall Gatherer

Artifact Modern Pioneer Commander