Retriever Phoenix is a rare Creature — Phoenix card from Magic Online Promos (PRM), collector number 90094.
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.