Electric Absorption Monster, Volcurl

/:When this unit attacks while boosted, 1, choose one of your opponent's vanguards, and it gets -5000 until end of turn. If your opponent's vanguard is grade 3 or greater, it gets -10000 instead of -5000. (Hand):At the beginning of your ride phase, if your vanguard is grade 1 or less, [discard this card], look at the top five cards of your deck, choose up to one grade 2 or less card from among them, reveal it and put it into hand, and shuffle the deck.