Flash - Advent: Emperor Beast (Either Attack Step)
By sending your Soul Core(Soul Core) to the Trash, stack this from your hand onto your target spirit.
[LV1][LV2][LV3] (When Advents) You can reveal five cards from the top of your deck. For each "Emperor Beast" family Spirit card, destroy one opposing Spirit/Ultimate with 10000 BP or less. The revealed card are returned to the bottom of your deck in any order.