“冷笑”デッドマスター is a Weiß Schwarz card from ブラック★ロックシューター BR/SE06-08. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
【ACT】 CONCENTRATION ［①］Flip the top 4 cards of your deck, place them into Waiting Room. Search your deck for up to X 《武器》 Characters, show them to your opponent, then place them into hand. Shuffle your deck afterwards. Choose X cards from your hand, place them into Waiting Room. X is equals to the number of Climax flipped this way.
This card was printed in Japanese only; the English text above is an unofficial community translation.