Gimmick Puppet - 4 or 8

Choose 1 of the following effects: This Skill can only be used once per turn and twice per Duel. ● Change the Level of all Level 8 "Gimmick Puppet" monsters in your hand to 4 until the end of the turn. ● Change the Level of all "Gimmick Puppet" monsters on your field to 8 until the end of the turn.