Flash - Advent: Purple & Cost 4 or more (Either Attack Step)
By sending your Soul Core to the Trash, stack this from your hand onto your target spirit.
[LV1][LV2][LV3] (When Summoned/Advents) Send one core from every opposing Spirit to the Reserve.
[LV2][LV3] (When Attacks) You can summon one Purple "Champion"/"Ultimate" family Spirit card from your Trash, without paying the cost.