Is Xathrid Demon legal in Standard, Modern, and Commander?

Xathrid Demon is legal in: Modern, Legacy, Vintage, Commander.

Xathrid Demon

Q: What type of card is Xathrid Demon?

Xathrid Demon is a Creature — Demon. Its oracle text reads: "Flying, trample At the beginning of your upkeep, sacrifice a creature other than this creature, then each opponent loses life equal to the sacrificed creature's power. If you can't sacrifice a creature, tap this creature and you lose 7 life."

Creature — Demon

Flying, trample

At the beginning of your upkeep, sacrifice a creature other than this creature, then each opponent loses life equal to the sacrificed creature's power. If you can't sacrifice a creature, tap this creature and you lose 7 life.

Set Commander 2014

Rarity Mythic Rare

Mana Value 6

Artist Wayne Reynolds

Collector # 170

Scryfall Gatherer