Sgathaich, Doomed General (WXDi-P01-079) [Glowing Diva]

[Auto]: Whenever this SIGNI attacks, if you have twenty or more cards in your trash, target SIGNI on your opponent's field gets -3000 power until end of turn. (If a SIGNI's power drops to 0 or less, it is vanished as a rule-based action.)