Is The Mouth of Sauron legal in Standard, Modern, and Commander?

The Mouth of Sauron is legal in: Modern, Legacy, Vintage, Commander, Historic.

The Mouth of Sauron

Q: What type of card is The Mouth of Sauron?

The Mouth of Sauron is a Legendary Creature — Human Advisor. Its oracle text reads: "When The Mouth of Sauron enters, target player mills three cards. Then amass Orcs X, where X is the number of instant and sorcery cards in that player's graveyard. (Put X +1/+1 counters on an Army you control. It's also an Orc. If you don't control an Army, create a 0/0 black Orc Army creature token first.) Power/Toughness: 3/4"

Legendary Creature — Human Advisor

When The Mouth of Sauron enters, target player mills three cards. Then amass Orcs X, where X is the number of instant and sorcery cards in that player's graveyard. (Put X +1/+1 counters on an Army you control. It's also an Orc. If you don't control an Army, create a 0/0 black Orc Army creature token first.)

Power/Toughness: 3/4

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

Rarity Uncommon

Mana Value 5

Artist Alex Brock

Collector # 216

Scryfall