Is Thieves' Tools legal in Standard, Modern, and Commander?

Thieves' Tools is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Pauper, Historic.

What type of card is Thieves' Tools?

Thieves' Tools is an Artifact — Equipment. Its oracle text reads: "When this Equipment enters, create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.") Equipped creature can't be blocked as long as its power is 3 or less. Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)"