Riveting Franche

/:When this unit attacks while boosted, 1, choose a card from your drop with a different card name from this unit, and call it to . (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