Is Specter of Mortality legal in Standard, Modern, and Commander?

Specter of Mortality is legal in: Standard, Modern, Pioneer, Legacy, Vintage, Commander, Historic.

Specter of Mortality

Q: What type of card is Specter of Mortality?

Specter of Mortality is a Creature — Specter. Its oracle text reads: "Flying When this creature enters, you may exile one or more creature cards from your graveyard. When you do, each other creature gets -X/-X until end of turn, where X is the number of cards exiled this way."

Creature — Specter

Flying

When this creature enters, you may exile one or more creature cards from your graveyard. When you do, each other creature gets -X/-X until end of turn, where X is the number of cards exiled this way.

Set Wilds of Eldraine

Rarity Rare

Mana Value 5

Artist Daarken

Collector # 107

Scryfall Gatherer