- You cannot pay a Resona's emerge conditions and declare that you will not play the Resona. (i.e., you cannot send 3 non-Resona <Amuser> SIGNI from your field to the trash and declare that you are going to play Merrygoron, Green Fourth Play, and then declare you are not going to play Merrygoron.)
- While the opponent has Code Art ACG on the field, you cannot pay the Resona's emerge conditions of Merrygoron, Green Fourth Play.