Craft a whimsically vintage digital masterpiece with Santa Claus joyfully soaring through a moonlit summer sky on a fantastical sleigh. Populate the landscape with wild gardens, eccentric blooms, and peculiar vintage boats on a magically reflective river. Illuminate the scene with mischievous fireflies, quirky lanterns, and the whimsical glow of playful fairies. Inject the madness with a zany countryside windmill, retro bicycles, and a meadow brimming with starlight. Frame this eccentric summer night with a vintage border for a wildly enchanting touch.