Is Dreadhorde Twins legal in Standard, Modern, and Commander?

Dreadhorde Twins is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Historic.

Dreadhorde Twins

Q: What type of card is Dreadhorde Twins?

Dreadhorde Twins is a Creature — Zombie Jackal Warrior. Its oracle text reads: "When this creature enters, amass Zombies 2. (Put two +1/+1 counters on an Army you control. It's also a Zombie. If you don't control an Army, create a 0/0 black Zombie Army creature token first.) Zombie tokens you control have trample. Power/Toughness: 2/2"

Creature — Zombie Jackal Warrior

When this creature enters, amass Zombies 2. (Put two +1/+1 counters on an Army you control. It's also a Zombie. If you don't control an Army, create a 0/0 black Zombie Army creature token first.)

Zombie tokens you control have trample.

Power/Toughness: 2/2

Set War of the Spark

Rarity Uncommon

Mana Value 4

Artist Johannes Voss

Collector # 126

Scryfall