Is Bronze Cudgels legal in Standard, Modern, and Commander?

Bronze Cudgels is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Historic.

Bronze Cudgels

Q: What type of card is Bronze Cudgels?

Bronze Cudgels is an Artifact — Equipment. Its oracle text reads: "{2}: Until end of turn, equipped creature gets +X/+0, where X is the number of times this ability has resolved this turn. Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)"