"Sadistic" Etna (DG/EN-S03-E115 C) [Disgaea]

[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.)