Is Warbeast of Gorgoroth legal in Standard, Modern, and Commander?

Warbeast of Gorgoroth is legal in: Modern, Legacy, Vintage, Commander, Pauper, Historic.

Warbeast of Gorgoroth

Q: What type of card is Warbeast of Gorgoroth?

Warbeast of Gorgoroth is a Creature — Beast. Its oracle text reads: "Whenever this creature or another creature you control with power 4 or greater dies, amass Orcs 2. (Put two +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.)"

Creature — Beast

Whenever this creature or another creature you control with power 4 or greater dies, amass Orcs 2. (Put two +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 Common

Mana Value 5

Artist Oleg Shekhovtsov

Collector # 152

Scryfall Gatherer