[AUTO]:[Counter-Blast 1 & Choose a grade 3 card from your hand, and reveal it] When this unit is placed on (RC), if you have three or more other rear-guards with "Jewel Knight" in its card name, you may pay the cost. If you do, search your deck for up to one grade 3 card with "Jewel Knight" in its card name, call it to (RC), shuffle your deck, and at the end of that turn, put the card called with this effect into your hand, choose a card from your hand, and discard it.