Ancient monsters that had long been sealed away were released when the world was ripped apart.

Final Fantasy Commander

Archfiend of Depravity

Flying
At the beginning of each opponent's end step, that player chooses up to two creatures they control, then sacrifices the rest.

"Why would I kill you all? Who then would be left to worship me?"

Flying
At the beginning of each opponent's end step, that player chooses up to two creatures he or she controls, then sacrifices the rest.