Is Chupacabra Echo legal in Standard, Modern, and Commander?

Chupacabra Echo is legal in: Standard, Modern, Pioneer, Legacy, Vintage, Commander, Historic.

Chupacabra Echo

Q: What type of card is Chupacabra Echo?

Chupacabra Echo is a Creature — Beast Horror Spirit. Its oracle text reads: "Fathomless descent — When this creature enters, target creature an opponent controls gets -X/-X until end of turn, where X is the number of permanent cards in your graveyard."

Creature — Beast Horror Spirit

Fathomless descent — When this creature enters, target creature an opponent controls gets -X/-X until end of turn, where X is the number of permanent cards in your graveyard.

Set The Lost Caverns of Ixalan

Rarity Uncommon

Mana Value 4

Artist Izzy

Collector # 97

Scryfall Gatherer