Failure Grandpa

[AUTO]:When this unit is placed on (RC) other than during the battle phase, [COST][Counter-Blast 1], look at the top five cards of your deck, choose up to one <CoroCoro> from among them, call it to (RC), 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. [AUTO](RC):When this unit attacks a grade 3 or greater unit, [COST][Soul-Blast 1], and this unit gets [Power] +10000 until end of that battle. [Dangerous Skill] - [AUTO]:When this card is bound from deck by the ability of your vanguard with "Grandpa" in its card name, nothing happens.