20-Second Custom Video Outro Addition

My current MP4 was assembled with Artlist footage—now I need roughly twenty more seconds tacked on at the end. This will be an outro, seamlessly matching the look, pacing, and color grade of the existing edit... (Budget: $30 - $250 USD, Jobs: Adobe Premiere Pro, After Effects, Animation, Audio Editing, Motion Graphics, Video Editing, Video Post-editing, Video Processing, Video Production, Video Services)