Deep Gelidus

/:When this unit attacks while boosted, 1, choose one of your units, search your deck and drop for up to a total of three cards 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.