Is Death Tyrant legal in Standard, Modern, and Commander?

Death Tyrant is legal in: Legacy, Vintage, Commander.

Death Tyrant

Q: What type of card is Death Tyrant?

Death Tyrant is a Creature — Beholder Skeleton. Its oracle text reads: "Menace Negative Energy Cone — Whenever an attacking creature you control or a blocking creature an opponent controls dies, create a 2/2 black Zombie creature token. {5}{B}: Return this card from your graveyard to the battlefield tapped."

Creature — Beholder Skeleton

Menace

Negative Energy Cone — Whenever an attacking creature you control or a blocking creature an opponent controls dies, create a 2/2 black Zombie creature token.

: Return this card from your graveyard to the battlefield tapped.