Is Talon of Pain legal in Standard, Modern, and Commander?

Talon of Pain is legal in: Modern, Legacy, Vintage, Commander.

Talon of Pain

Q: What type of card is Talon of Pain?

Talon of Pain is an Artifact. Its oracle text reads: "Whenever a source you control other than this artifact deals damage to an opponent, put a charge counter on this artifact. {X}, {T}, Remove X charge counters from this artifact: It deals X damage to any target."