Is Cogwork Assembler legal in Standard, Modern, and Commander?

Cogwork Assembler is legal in: Modern, Pioneer, Legacy, Vintage, Commander.

Cogwork Assembler

Q: What type of card is Cogwork Assembler?

Cogwork Assembler is an Artifact Creature — Assembly-Worker. Its oracle text reads: "{7}: Create a token that's a copy of target artifact. That token gains haste. Exile it at the beginning of the next end step. *Duplication is neither thievery nor flattery. It is efficiency.* Power/Toughness: 2/3"