Is Aven Eternal legal in Standard, Modern, and Commander?

Aven Eternal is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Pauper, Historic.

Aven Eternal

Q: What type of card is Aven Eternal?

Aven Eternal is a Creature — Zombie Bird Warrior. Its oracle text reads: "Flying When this creature enters, amass Zombies 1. (Put a +1/+1 counter 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.)"

Creature — Zombie Bird Warrior

Flying

When this creature enters, amass Zombies 1. (Put a +1/+1 counter 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.)

Set War of the Spark

Rarity Common

Mana Value 3

Artist Johan Grenier

Collector # 42

Scryfall Gatherer