Is Scrying Glass legal in Standard, Modern, and Commander?

Scrying Glass is legal in: Legacy, Vintage, Commander.

Scrying Glass

Q: What type of card is Scrying Glass?

Scrying Glass is an Artifact. Its oracle text reads: "{3}, {T}: Choose a number greater than 0 and a color. Target opponent reveals their hand. If that opponent reveals exactly the chosen number of cards of the chosen color, you draw a card."

Artifact

, : Choose a number greater than 0 and a color. Target opponent reveals their hand. If that opponent reveals exactly the chosen number of cards of the chosen color, you draw a card.