Is Joust legal in Standard, Modern, and Commander?

Joust is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Historic.

Joust

Q: What type of card is Joust?

Joust is a Sorcery. Its oracle text reads: "Choose target creature you control and target creature you don't control. The creature you control gets +2/+1 until end of turn if it's a Knight. Then those creatures fight each other. (Each deals damage equal to its power to the other.)"

Sorcery

Choose target creature you control and target creature you don't control. The creature you control gets +2/+1 until end of turn if it's a Knight. Then those creatures fight each other. (Each deals damage equal to its power to the other.)

Set Throne of Eldraine

Rarity Uncommon

Mana Value 2

Artist Bram Sels

Collector # 129

Scryfall Gatherer