Is Plague Boiler legal in Standard, Modern, and Commander?

Plague Boiler is legal in: Modern, Legacy, Vintage, Commander.

Plague Boiler

Q: What type of card is Plague Boiler?

Plague Boiler is an Artifact. Its oracle text reads: "At the beginning of your upkeep, put a plague counter on this artifact. {1}{B}{G}: Put a plague counter on this artifact or remove a plague counter from it. When this artifact has three or more plague counters on it, sacrifice it. If you do, destroy all nonland permanents."