Is Scion of Halaster legal in Standard, Modern, and Commander?

Scion of Halaster is legal in: Legacy, Vintage, Commander, Pauper.

Scion of Halaster

Q: What type of card is Scion of Halaster?

Scion of Halaster is a Legendary Enchantment — Background. Its oracle text reads: "Commander creatures you own have "The first time you would draw a card each turn, instead look at the top two cards of your library. Put one of them into your graveyard and the other back on top of your library. Then draw a card." *Most see the Mad Mage as a deranged menace, but you recognize the genius behind his paranoia.*"

Legendary Enchantment — Background

Commander creatures you own have "The first time you would draw a card each turn, instead look at the top two cards of your library. Put one of them into your graveyard and the other back on top of your library. Then draw a card."

*Most see the Mad Mage as a deranged menace, but you recognize the genius behind his paranoia.*

Set Commander Legends: Battle for Baldur's Gate

Rarity Common

Mana Value 2

Artist Milivoj Ćeran

Collector # 145

Scryfall