Finalize Concept Card Artwork

I will send you a set of existing concept sketches for a trading-card style project. Your task is to transform each piece into a production-ready card while keeping the look and mood virtually identical to the sketches—just give the illustration a slightly more polished finish... (Budget: $30 - $250 USD, Jobs: Adobe Illustrator, Adobe Photoshop, Concept Art, Digital Art, Graphic Design, Illustration, Illustrator, Photoshop)