"Paving a Way for the Future" Armin

【AUTO】 [(1)] When this card attacks, if a card named "Since That Day" is in your climax area, you may pay the cost. If you do, until the end of your opponent's next turn, this card gets +2000 power and the following ability. "【AUTO】 At the beginning of your opponent's attack phase, you may choose one of your 《Corps》 characters and this card, and exchange them as 【STAND】."