“Sadistic” Etna is a Weiß Schwarz card from Disgaea DG/EN-S03-E115. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
【AUTO】 When this card attacks, if the number of cards in your opponent's clock is zero, this card gets +3000 power until end of turn. 【AUTO】 Bond/"Son of the Previous Overlord, Laharl" [(1)] (When this card is played and placed on stage, you may pay the cost. If you do, choose a card named "Son of the Previous Overlord, Laharl" in your waiting room, and return it to your hand.)