Is Tawnos, Solemn Survivor legal in Standard, Modern, and Commander?

Tawnos, Solemn Survivor is legal in: Legacy, Vintage, Commander.

What type of card is Tawnos, Solemn Survivor?

Tawnos, Solemn Survivor is a Legendary Creature — Human Artificer. Its oracle text reads: "{2}, {T}: Create a token that's a copy of up to one target artifact token you control. Mill two cards. {1}{W}{U}{B}, {T}, Sacrifice two artifact tokens, Exile an artifact or creature card from your graveyard: Create a token that's a copy of the exiled card, except it's an artifact in addition to its other types. Activate only as a sorcery."

Tawnos, Solemn Survivor

Legendary Creature — Human Artificer

, : Create a token that's a copy of up to one target artifact token you control. Mill two cards.

, , Sacrifice two artifact tokens, Exile an artifact or creature card from your graveyard: Create a token that's a copy of the exiled card, except it's an artifact in addition to its other types. Activate only as a sorcery.