Is Advanced Reconstruction legal in Standard, Modern, and Commander?

Advanced Reconstruction is legal in: Legacy, Vintage, Commander.

Advanced Reconstruction

Q: What type of card is Advanced Reconstruction?

Advanced Reconstruction is an Enchantment — Class. Its oracle text reads: "(Gain the next level as a sorcery to add its ability.) At the beginning of your first main phase, mill a card, then exile a card from your graveyard at random. You may play the exiled card this turn. {1}{R}: Level 2 Whenever one or more cards leave your graveyard, this Class deals 2 damage to each opponent. {1}{R}: Level 3 Spells you cast from anywhere other than your hand cost {2} less to cast."