Is Dragon Mask legal in Standard, Modern, and Commander?

Dragon Mask is legal in: Legacy, Vintage, Commander.

Dragon Mask

Q: What type of card is Dragon Mask?

Dragon Mask is an Artifact. Its oracle text reads: "{3}, {T}: Target creature you control gets +2/+2 until end of turn. Return it to its owner's hand at the beginning of the next end step. (Return it only if it's on the battlefield.)"

Artifact

, : Target creature you control gets +2/+2 until end of turn. Return it to its owner's hand at the beginning of the next end step. (Return it only if it's on the battlefield.)