Mathemagics is a mythic Sorcery card from Secrets of Strixhaven Promos (PSOS), collector number 58p. Current market price: $4.49 (foil $12.94), TCGplayer market prices via Scryfall.
Target player draws 2ˣ cards. (2⁰ = 1, 2¹ = 2, 2² = 4, 2³ = 8, 2⁴ = 16, 2⁵ = 32, and so on.)