善なる心の妹姫 嵐城 サツキ is a Weiß Schwarz card from GA文庫 GA09/S131-103. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
【ACT】 [(1) Discard 1 card, Send this to Waiting Room] Choose 1 《GA Bunko》 character in your Waiting Room, add it to hand, then choose 1 of your characters, this turn, it gets +3000 power. 【ACT】 BRAINSTORM [(1) Rest this] Flip over the top 5 cards of your deck, then send them to Waiting Room. For each CX with a Book Trigger among them, choose up to 1 character from your Waiting Room, and add it to hand.
This card was printed in Japanese only; the English text above is an unofficial community translation.