Flash - Advent: Purple/Yellow & Ultimate (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) During this turn, one opposing spirit gets -5000 BP. You can activate this effect 4 times,
return all spirit that has its BP go to 0 by this effect to the bottom of the deck, in whatever order you like.
[LV2][LV3] (Either Attack Step) Treat all opposing Spirits' LV2 BP as 1000.