Is Barbarian Class legal in Standard, Modern, and Commander?

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

Barbarian Class

Q: What type of card is Barbarian Class?

Barbarian Class is an Enchantment — Class. Its oracle text reads: "(Gain the next level as a sorcery to add its ability.) If you would roll one or more dice, instead roll that many dice plus one and ignore the lowest roll. {1}{R}: Level 2 Whenever you roll one or more dice, target creature you control gets +2/+0 and gains menace until end of turn. {2}{R}: Level 3 Creatures you control have haste."