Improbable Alliance is a uncommon Enchantment card from Throne of Eldraine (ELD), collector number 396. Current market price: $0.36 (foil $0.55), TCGplayer market prices via Scryfall.
Whenever you draw your second card each turn, create a 1/1 blue Faerie creature token with flying. {4}{U}{R}: Draw a card, then discard a card.