Black Surprise

[Use Conditions] You have a black LRIG on your field.

As long as there are two or more black LRIG on your field, the use cost of this PIECE is reduced by [Black x1] for each black LRIG on your field.

If your effect would - (minus) the power of a SIGNI on your opponent's field this turn, the amount of power that would be - (minused) is doubled instead.

If a SIGNI on your opponent's field is vanished this turn, it is put into the trash instead of the Ener Zone.