Ternsev's Overthrow

(You may cast a legendary sorcery only if you control
a legendary creature or planeswalker.)
Target opponent sacrifices X colored nonblack
permanents. For each one he or she sacrificed
this way, you create X 2/2 black Zombie tokens.
When the six other clans knew about the imminent invasion on Ternsev, all they did was closing New
Benalia's doors - not the slightest support deployed.