Communism, the Communist

+1: Split up all counters evenly between creatures and players. give the odd ones to yourself, a creature you control, or a planeswalker you control.
-1: Split up all counters evenly between creatures, give the odd ones to a creature you control, then put 3 +1/+1 counters on target creature.
-8: Exile all permanents, then split them up evenly between players. give the odd ones to yourself.