Is Ellie and Alan, Paleontologists legal in Standard, Modern, and Commander?

Ellie and Alan, Paleontologists is legal in: Legacy, Vintage, Commander.

Ellie and Alan, Paleontologists

Q: What type of card is Ellie and Alan, Paleontologists?

Ellie and Alan, Paleontologists is a Legendary Creature — Human Scientist. Its oracle text reads: "{T}, Exile a creature card from your graveyard: Discover X, where X is the mana value of the exiled card. Activate only as a sorcery. (Exile cards from the top of your library until you exile a nonland card with that mana value or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.) Power/Toughness: 2/5"

Legendary Creature — Human Scientist

, Exile a creature card from your graveyard: Discover X, where X is the mana value of the exiled card. Activate only as a sorcery. (Exile cards from the top of your library until you exile a nonland card with that mana value or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.)