Sirin's Vow of Annihilation

Destroy target creature. It's controller loses 7
life. If you control 7 or more honkai creatures or
have 20 or more honaki counters, destroy another target creature and it's controller loses 7 life.
In her rage Sirin revealed to Houraiji that she had the
cores of conquest, serenity, desire, destruction and her original core, the core of the void.