Is Dream Eater legal in Standard, Modern, and Commander?

Dream Eater is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Historic.

Dream Eater

Q: What type of card is Dream Eater?

Dream Eater is a Creature — Nightmare Sphinx. Its oracle text reads: "Flash Flying When this creature enters, surveil 4. When you do, you may return target nonland permanent an opponent controls to its owner's hand. (To surveil 4, look at the top four cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.) Power/Toughness: 4/3"

Creature — Nightmare Sphinx

Flash

Flying

When this creature enters, surveil 4. When you do, you may return target nonland permanent an opponent controls to its owner's hand. (To surveil 4, look at the top four cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)

Power/Toughness: 4/3

Set Duskmourn: House of Horror Commander

Rarity Mythic Rare

Mana Value 6

Artist Daarken

Collector # 116

Scryfall