Nitou Kaigan -[AUTO](VC/RC): When this unit is boosted by a "Touken Danshi - Wakizashi", this unit gets [Power]+4000 until end of that battle. [AUTO]:[Choose a card from your hand, and put it into your soul] When this unit is placed on (VC) or (RC) from hand, you may pay the cost. If you do, look at seven cards from the top of your deck, search for up to one "Touken Danshi - Wakizashi" from among them, call it to (RC) in the same column as this unit, and shuffle your deck.