Flash - Grand Advent: Death Dragon & Cost 6 or more (Either Attack Step)
By either sending your Soul Core to the Trash, or putting a core from your Grandwalker Nexus to a spirit you control, stack this from your hand onto your target spirit.
[LV1][LV2][LV3] (When Advents) Destroy every Spirit/Ultimate/Nexus, except this Spirit. If you have at least four face-down cards on your Removed Zone, this effect doesn't destroy your Spirits/Nexuses.
[LV2][LV3] Flash - (When Attacks) By banishing four face-down cards on your Removed Zone, send an opposing Life to the Trash.