Flash - ⚞Advent⚟: Shellman (Either Attack Step)
By sending Soul Core to your Trash, stack this from your hand onto your target spirit.
[LV1][LV2] (When Summoned/Advents) Put 2 cores from the Void to this Spirit. In addition, if this Spirit was ⚞Advent⚟ on a Spirit with "Antman" in it's name, exhaust 2 opposing Spirits.
[LV2] All your Spirits from the "Shellman" family gets +5000 BP