Is Assault on Osgiliath legal in Standard, Modern, and Commander?

Assault on Osgiliath is legal in: Modern, Legacy, Vintage, Commander, Historic.

Assault on Osgiliath

Q: What type of card is Assault on Osgiliath?

Assault on Osgiliath is a Sorcery. Its oracle text reads: "Amass Orcs X, then Goblins and Orcs you control gain double strike and haste until end of turn. (To amass Orcs X, 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.)"

Sorcery

Amass Orcs X, then Goblins and Orcs you control gain double strike and haste until end of turn. (To amass Orcs X, 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.)

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

Rarity Rare

Mana Value 3

Artist Warren Mahy

Collector # 285

Scryfall Gatherer