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

Rafter Demon is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Pauper, Historic.

Rafter Demon

Q: What type of card is Rafter Demon?

Rafter Demon is a Creature — Demon. Its oracle text reads: "Spectacle {3}{B}{R} (You may cast this spell for its spectacle cost rather than its mana cost if an opponent lost life this turn.) When this creature enters, if its spectacle cost was paid, each opponent discards a card. Power/Toughness: 4/2"