Replace Deer In Selfie

I have a single-frame JPEG selfie taken in Nara Deer Park. The deer in it is turning away, and I need that animal swapped with a realistic Nara Park deer that is looking directly at the camera with rounded velvet antlers... (Budget: $10 - $30 USD, Jobs: Adobe Photoshop, Digital Art, Illustrator, Photo Editing, Photo Retouching, Photoshop, Photoshop Design, Visual Effects)