Is Sefris of the Hidden Ways legal in Standard, Modern, and Commander?

Sefris of the Hidden Ways is legal in: Legacy, Vintage, Commander.

Sefris of the Hidden Ways

Q: What type of card is Sefris of the Hidden Ways?

Sefris of the Hidden Ways is a Legendary Creature — Human Wizard. Its oracle text reads: "Whenever one or more creature cards are put into your graveyard from anywhere, venture into the dungeon. This ability triggers only once each turn. (To venture into the dungeon, enter the first room or advance to the next room.) Create Undead — Whenever you complete a dungeon, return target creature card from your graveyard to the battlefield."

Legendary Creature — Human Wizard

Whenever one or more creature cards are put into your graveyard from anywhere, venture into the dungeon. This ability triggers only once each turn. (To venture into the dungeon, enter the first room or advance to the next room.)

Create Undead — Whenever you complete a dungeon, return target creature card from your graveyard to the battlefield.

Set Forgotten Realms Commander

Rarity Mythic Rare

Mana Value 3

Artist Ryan Pancoast

Collector # 3

Scryfall Gatherer