- You cannot pay a Resona's emerge conditions and declare that you will not play the Resona. (i.e., you cannot send 2 non-Resona <Amuser> SIGNI from your field to the trash and declare that you are going to play Jecoaster, Green Second Play, and then declare you are not going to play Jecoaster.)
- While the opponent has Code Art ACG on the field, you cannot pay the Resona's emerge conditions of Jecoaster, Green Second Play.