Is Agonizing Demise legal in Standard, Modern, and Commander?

Agonizing Demise is legal in: Legacy, Vintage, Commander, Pauper.

Agonizing Demise

Q: What type of card is Agonizing Demise?

Agonizing Demise is an Instant. Its oracle text reads: "Kicker {1}{R} (You may pay an additional {1}{R} as you cast this spell.) Destroy target nonblack creature. It can't be regenerated. If this spell was kicked, Agonizing Demise deals damage equal to that creature's power to the creature's controller."

Instant

Kicker (You may pay an additional as you cast this spell.)

Destroy target nonblack creature. It can't be regenerated. If this spell was kicked, Agonizing Demise deals damage equal to that creature's power to the creature's controller.

Set Duel Decks: Ajani vs. Nicol Bolas

Rarity Common

Mana Value 4

Artist Mark Brill

Collector # 66

Scryfall