If you encore a Ditto second round in, does encore apply to transform or the move that is going to be used?

Question

The terms are that the DItto is not a hidden ability Imposter Ditto.

Answer 1

Encore will fail if used on Transform, Mimic, Sketch, Mirror Move, Encore itself, Struggle, or a move that has no PP,

source

Comments

Never knew that. Thank you.