Lost Gear Dog, Eight

/:When this unit is placed from hand, [reveal a grade 3 or greater card from your hand], search your deck for up to one grade 3, reveal it and put it into your hand, shuffle your deck, and if you put a card, choose one or more cards with the sum of their grades being 3 or greater from your hand, and discard them. (Hand):When this card would be discarded, it may be discarded as a grade 3.