Failure Grandpa

:When this unit is placed on other than during the battle phase, 1, look at the top five cards of your deck, choose up to one CoroCoro from among them, call it to , and shuffle the deck. If you have a vanguard with "Grandpa" in its card name, reveal it and put it into hand instead of calling it. :When this unit attacks a grade 3 or greater unit, 1, and this unit gets +10000 until end of that battle. [Dangerous Skill] - :When this card is bound from deck by the ability of your vanguard with "Grandpa" in its card name, nothing happens.