Stygian Pact

All players sacrifice a creature. Each other non-land permanent gets a void token for each creature sacrificed this way.

Void tokens have the following ability: Whenever a permanent with a void token is removed from play, put a void token on all other non-land permanents. If at any time a permanent contains more void tokens than their CMC, destroy it. Destroying a permanent this way causes that permanent's controller to lose life equal to the amount of void tokens on them. If a permanent has 10 or