Is Slaughter legal in Standard, Modern, and Commander?

Slaughter is legal in: Legacy, Vintage, Commander.

Slaughter

Q: What type of card is Slaughter?

Slaughter is an Instant. Its oracle text reads: "Buyback—Pay 4 life. (You may pay 4 life in addition to any other costs as you cast this spell. If you do, put this card into your hand as it resolves.) Destroy target nonblack creature. It can't be regenerated."

Instant

Buyback—Pay 4 life. (You may pay 4 life in addition to any other costs as you cast this spell. If you do, put this card into your hand as it resolves.)

Destroy target nonblack creature. It can't be regenerated.

Set Exodus

Rarity Uncommon

Mana Value 4

Artist Pete Venters

Collector # 74

Scryfall