Is Superior Numbers legal in Standard, Modern, and Commander?

Superior Numbers is legal in: Legacy, Vintage, Commander.

Superior Numbers

Q: What type of card is Superior Numbers?

Superior Numbers is a Sorcery. Its oracle text reads: "Superior Numbers deals damage to target creature equal to the number of creatures you control in excess of the number of creatures target opponent controls."

Sorcery

Superior Numbers deals damage to target creature equal to the number of creatures you control in excess of the number of creatures target opponent controls.

Set Mirage

Rarity Uncommon

Artist Geofrey Darrow