Is Artifact Possession legal in Standard, Modern, and Commander?

Artifact Possession is legal in: Legacy, Vintage, Commander, Pauper.

Artifact Possession

Q: What type of card is Artifact Possession?

Artifact Possession is an Enchantment — Aura. Its oracle text reads: "Enchant artifactWhenever enchanted artifact becomes tapped or a player activates an ability of enchanted artifact without {T} in its activation cost, Artifact Possession deals 2 damage to that artifact's controller."

Enchantment — Aura

Enchant artifact<br>Whenever enchanted artifact becomes tapped or a player activates an ability of enchanted artifact without in its activation cost, Artifact Possession deals 2 damage to that artifact's controller.