Is Sauron, the Necromancer legal in Standard, Modern, and Commander?

Sauron, the Necromancer is legal in: Modern, Legacy, Vintage, Commander, Historic.

Sauron, the Necromancer

Q: What type of card is Sauron, the Necromancer?

Sauron, the Necromancer is a Legendary Creature — Avatar Horror. Its oracle text reads: "Menace Whenever Sauron attacks, exile target creature card from your graveyard. Create a tapped and attacking token that's a copy of that card, except it's a 3/3 black Wraith with menace. At the beginning of the next end step, exile that token unless Sauron is your Ring-bearer."

Legendary Creature — Avatar Horror

Menace

Whenever Sauron attacks, exile target creature card from your graveyard. Create a tapped and attacking token that's a copy of that card, except it's a 3/3 black Wraith with menace. At the beginning of the next end step, exile that token unless Sauron is your Ring-bearer.

Set The Lord of the Rings: Tales of Middle-earth

Rarity Rare

Mana Value 5

Artist Yongjae Choi

Collector # 106

Scryfall Gatherer