Name:Call to the Void
ManaCost:4 B
Types:Sorcery
A:SP$ ChooseCard | Defined$ Player | Choices$ Creature | Secretly$ True | Amount$ 1 | ControlAndNot$ True | ChoiceTitle$ Secretly choose a creature | Reveal$ True | RevealTitle$ Chosen creatures. They will be destroyed. | SubAbility$ DBDestroyChosen | Mandatory$ True
SVar:DBDestroyChosen:DB$ DestroyAll | ValidCards$ Creature.ChosenCard
Oracle:Each player secretly chooses a creature they control and a creature they don't control. Then those choices are revealed. Destroy each creature chosen this way.
