Kazutoshi Soyama (Author)

:When this unit is placed on other than during the battle phase, if you have a grade 3 or greater vanguard with "Grandpa" in its card name or CoroCoro  , 1, choose up to two cards from your drop with the [Dangerous Skill] ability, put one card from among them on the bottom of the deck, and call the rest to . :At the end of the battle this unit boosted a rear-guard with the [Dangerous Skill] ability, if you have a grade 3 or greater vanguard with "Grandpa" in its card name and it did not attack this turn, [put this unit into soul], that boosted unit, and it gets +5000 until end of turn.