Is God-Eternal Kefnet legal in Standard, Modern, and Commander?

God-Eternal Kefnet is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Historic.

God-Eternal Kefnet

Q: What type of card is God-Eternal Kefnet?

God-Eternal Kefnet is a Legendary Creature — Zombie God. Its oracle text reads: "Flying You may reveal the first card you draw each turn as you draw it. Whenever you reveal an instant or sorcery card this way, copy that card and you may cast the copy. That copy costs {2} less to cast. When God-Eternal Kefnet dies or is put into exile from the battlefield, you may put it into its owner's library third from the top. Power/Toughness: 4/5"

Legendary Creature — Zombie God

Flying

You may reveal the first card you draw each turn as you draw it. Whenever you reveal an instant or sorcery card this way, copy that card and you may cast the copy. That copy costs less to cast.

When God-Eternal Kefnet dies or is put into exile from the battlefield, you may put it into its owner's library third from the top.

Power/Toughness: 4/5

Set War of the Spark

Rarity Mythic Rare

Mana Value 4

Artist Lius Lasahido

Collector # 53

Scryfall