Volterath, The Burial King

Indestructible
Volterath, The Burial King enters the battlefield
with a +1/+1 counter.
When Volterath dies he goes to a random
opponent's graveyard. the graveyard owner's
opponents may cast Volterath on their turn for {2} or anytime for {6}.
On Volterath, The Burial King's controller's
endstep, put 2 -1/-1 counters on Volterath.