Hammsuke's Rival, Jumbo Crayon Hammyan

:[ 2 & Discard a card from your hand], search your deck for any number of cards with "Hammsuke" in their different card names, call them to your front row , and shuffle your deck. :At the end of the battle it attacked, if your opponent's vanguard is grade 3 or greater, [discard two cards from your hand], reveal the bottom card of your deck, and if that card is "Pencil Hero, Hammsuke", ride it as , and that unit gets drive -1 until end of turn.