Arjun, the Shifting Flame is a rare Legendary Creature — Sphinx Wizard card from Double Masters 2022 (2X2), collector number 172. Current market price: $0.38 (foil $0.40), TCGplayer market prices via Scryfall.
Flying Whenever you cast a spell, put the cards in your hand on the bottom of your library in any order, then draw that many cards.