-When you use this card's skill, you can call the unit you returned to hand for the cost. -Use this card's skill to return Rainbow Light, Carine to your hand and then just use a counterblast and soulcharge cost, then an extra draw is made, at the same time you can call another one like Prism on the Water, Myrtoa behind VG to draw an extra card or even call another potential RG and make another attack. * Girls' Rock, Rio can also be bounced to your hand and has the same effect as Rainbow Light, Carine. * Apprentice Idol, Karen can also made an extra draw, but cost by CB1,SB1.