Mr. Strongest

:This card cannot be ridden. :When a card with the [Dangerous Skill] ability is bound from deck by the ability of your vanguard with "Grandpa" in its card name, if your opponent's vanguard is grade 3 or greater, this unit gets +5000 until end of turn. [Dangerous Skill] - :When this card is bound from deck by the ability of your vanguard with "Grandpa" in its card name, choose one of your opponent's vanguards, it gets -5000 until end of turn, and if your opponent's damage zone has four or less cards, deal one damage.