Colorful Smiling, Fratte

:Forerunner :[ 1 & Put this unit into your soul] At the end of the battle that this unit boosted ([Boost]), if you have a vanguard with "Raindear" in its card name, you may pay the cost. If you do, choose up to one of your rear-guards, return it to your hand, choose up to two cards from your hand, and call them to separate open .