Is Sightless Ghoul legal in Standard, Modern, and Commander?

Sightless Ghoul is legal in: Modern, Legacy, Vintage, Commander, Pauper.

Sightless Ghoul

Q: What type of card is Sightless Ghoul?

Sightless Ghoul is a Creature — Zombie Soldier. Its oracle text reads: "This creature can't block. Undying (When this creature dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.)"

Creature — Zombie Soldier

This creature can't block.

Undying (When this creature dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.)

Set Dark Ascension

Rarity Common

Mana Value 4

Artist Svetlin Velinov

Collector # 73

Scryfall Gatherer