[LV1][LV2][LV3] Charge Song (When Summoned) Put two cores from the Void to each of your "Producer"-named Grandwalker Nexuses. This effect can only be used once per game.
[LV2][LV3] (When Attacks) During this turn, one opposing Spirit gets -10000 BP. A Spirit whose BP is brought to 0 by this effect is destroyed.