Kurodate Haruna

[Auto] : At the beginning of your attack phase, if there are five or more (Blue Archive) cards in your trash, target SIGNI on your opponent's field gets -5000 power until end of turn. If there are ten or more, in addition, put the top three cards of your opponent's deck into their trash.

[Bond Enter][Black] : If your effect would - (minus) the power of target SIGNI on your opponent's field this turn, the amount of power that would be - (minused) is doubled instead.