最後の歌 is a Weiß Schwarz card from 戦姫絶唱シンフォギアAXZ SG/W70-097. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
Look at up to 4 cards from your top Deck, choose up to 1 《錬金術》 Character and show it to opponent, add it to Hand, place the remaining cards into Waiting Room, choose up to 1 opponent's Character, return it to Hand, choose 1 of your Character, during this turn, it gets +2000 Power.
This card was printed in Japanese only; the English text above is an unofficial community translation.