Polish Family Christmas Card Design

I already have a fully-composed Christmas card mockup, but the AI look gives it away. I need a designer who can keep the overall scene and layout exactly as it is while upgrading every element to look authentically hand-finished and print-ready... (Budget: $250 - $750 AUD, Jobs: Adobe Illustrator, Adobe Photoshop, Color Grading, Graphic Design, Illustration, Illustrator, Photo Editing, Photoshop, Photoshop Design, Print Design)