Stealth Dragon, Unen

:When this unit is rode upon, [ 1 & reveal a grade 3 normal unit from your hand], search your deck for up to one grade 3 card with a different card name from the card revealed for this cost, reveal it and put it into your hand, shuffle your deck, choose one card from your hand, and put it on the bottom of your deck. :At the end of the battle this unit boosted a rear-guard, [put that boosted unit into your soul], choose two of your rear-guards, and return them to your hand.