Is Kylox, Visionary Inventor legal in Standard, Modern, and Commander?

Kylox, Visionary Inventor is legal in: Standard, Modern, Pioneer, Legacy, Vintage, Commander, Historic.

Kylox, Visionary Inventor

Q: What type of card is Kylox, Visionary Inventor?

Kylox, Visionary Inventor is a Legendary Creature — Lizard Artificer. Its oracle text reads: "Menace, ward {2}, haste Whenever Kylox attacks, sacrifice any number of other creatures, then exile the top X cards of your library, where X is their total power. You may cast any number of instant and/or sorcery spells from among the exiled cards without paying their mana costs. Power/Toughness: 4/4"

Legendary Creature — Lizard Artificer

Menace, ward , haste

Whenever Kylox attacks, sacrifice any number of other creatures, then exile the top X cards of your library, where X is their total power. You may cast any number of instant and/or sorcery spells from among the exiled cards without paying their mana costs.

Power/Toughness: 4/4

Set Murders at Karlov Manor

Rarity Rare

Mana Value 7

Artist Lie Setiawan

Collector # 214

Scryfall