Plague, First of the End

+1: All creatures get -2/-1 until the end of the turn.
-4: Put two 0/-1 white Plague creature tokens onto the battlefield with "When this creature leaves the field, put a -1/0 counter on target creature."
-8: Each opponent gets an emblem with "At the beginning of your upkeep, put a -1/0 counter on all creatures you control."