Deep Gelidus

/:When this unit attacks while boosted, 1, choose one of your units, search your deck and drop for up to three cards in total with the same card name as that unit, put them into your soul, and if you searched your deck, shuffle your deck. (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 your hand, and shuffle your deck.