[ Soul Burst: After Your Life is Decreased ]
Add one core from the void to your life, and discard one [Type: Song] Magic card on your opponent's field. After that, by paying the cost, you may activate this card's flash effect.
Flash - During this turn, one opposing spirit or ultimate gets -10000 BP. Destroy the spirit/ultimate that had its BP become 0 by this effect. After that, this magic card can remain on your field.