Final answer:
The missing tool in the phrase is the "Red Eye tool," which can be selected and used to remove red eye in pictures. This tool, along with the Patch and Healing Brush tools, are essential for photo editing and retouching.
Step-by-step explanation:
The Hidden in with the Patch tool and the Healing Brush tool, you can select the Red Eye tool and drag it over any red eye in an image and the eye will be magically corrected. This feature is incredibly useful for photographers and editors who want to enhance the appearance of subjects in their images, allowing them to repair red eye easily. Not only can the Red Eye tool correct the redness, but other tools mentioned, like the Healing Brush, can assist in fixing imperfections such as scars, blemishes, and uneven eyebrows, providing a comprehensive toolkit for photo retouching.