Hey if you want to Sub in Metronome you have to pick 10 moves for Metronome to select from with the following rules:
1. no two moves can be of the same type.
2. Metronome cannot select move the user already knows.
3. Metronome cannot select Assist, Copycat, Counter, Covet, Destiny Bond, Detect, Endure, Feint, Focus Punch, Follow Me, Helping Hand, Me First, Metronome, Mimic, Mirror Coat, Mirror Move, Protect, Quick Guard, Sketch, Sleep Talk, Snatch, Struggle, or Wide Guard.
So please either edit your 10 moves into your post or change your Substitution. Thanks!