Is Demon of Wailing Agonies legal in Standard, Modern, and Commander?

Demon of Wailing Agonies is legal in: Legacy, Vintage, Commander.

Demon of Wailing Agonies

Q: What type of card is Demon of Wailing Agonies?

Demon of Wailing Agonies is a Creature — Demon. Its oracle text reads: "Flying Lieutenant — As long as you control your commander, this creature gets +2/+2 and has "Whenever this creature deals combat damage to a player, that player sacrifices a creature of their choice." Power/Toughness: 4/4"

Creature — Demon

Flying

Lieutenant — As long as you control your commander, this creature gets +2/+2 and has "Whenever this creature deals combat damage to a player, that player sacrifices a creature of their choice."

Power/Toughness: 4/4

Set Commander 2014

Rarity Rare

Mana Value 5

Artist Dave Kendall

Collector # 21

Scryfall