渾身の一撃 is a Weiß Schwarz card from ギルティクラウン GC/S16-097. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
Look at up to X cards from the top of your Deck, choose up to 2 cards, add it to Hand. Place the remaining cards into the Waiting Room. X is equals to the number of your 《葬儀社》 Characters.
This card was printed in Japanese only; the English text above is an unofficial community translation.