Is Puppet Conjurer legal in Standard, Modern, and Commander?

Puppet Conjurer is legal in: Modern, Legacy, Vintage, Commander.

Puppet Conjurer

Q: What type of card is Puppet Conjurer?

Puppet Conjurer is an Artifact Creature — Human Wizard. Its oracle text reads: "{U}, {T}: Create a 0/1 blue Homunculus artifact creature token. At the beginning of your upkeep, sacrifice a Homunculus. *He scowls at his imperfect creation, then crushes it to scrap. He salvages the etherium and begins anew.* Power/Toughness: 1/2"