autumn forest with retro-colored mushrooms.

autumn background neon mushroom art nature food cartoon forest mushrooms magical glowing fall foliage enchanted vibrant adventure mystical landscape glow vector pattern colorful wallpaper seamless halloween harvest summer toadstool bright cute agaric season magic plant amanita design black psychedelic shroom ingredient set hallucinogenic acidic dream hand gradient natural witchcraft alchemy print rainbow collection shamanic vivid eat shaman fresh fantasy