Is Assembly Hall legal in Standard, Modern, and Commander?

Assembly Hall is legal in: Legacy, Vintage, Commander.

Assembly Hall

Q: What type of card is Assembly Hall?

Assembly Hall is an Artifact. Its oracle text reads: "{4}, {T}: Reveal a creature card in your hand. Search your library for a card with the same name as that card, reveal it, put it into your hand, then shuffle."

Artifact

, : Reveal a creature card in your hand. Search your library for a card with the same name as that card, reveal it, put it into your hand, then shuffle.