Is Retriever Phoenix legal in Standard, Modern, and Commander?

Retriever Phoenix is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Historic.

Retriever Phoenix

Q: What type of card is Retriever Phoenix?

Retriever Phoenix is a Creature — Phoenix. Its oracle text reads: "Flying, haste When this creature enters, if you cast it, learn. (You may reveal a Lesson card you own from outside the game and put it into your hand, or discard a card to draw a card.) As long as this card is in your graveyard, if you would learn, you may instead return this card to the battlefield. Power/Toughness: 2/2"

Creature — Phoenix

Flying, haste

When this creature enters, if you cast it, learn. (You may reveal a Lesson card you own from outside the game and put it into your hand, or discard a card to draw a card.)

As long as this card is in your graveyard, if you would learn, you may instead return this card to the battlefield.

Power/Toughness: 2/2

Set Strixhaven: School of Mages

Rarity Rare

Mana Value 4

Artist Karl Kopinski

Collector # 113

Scryfall