Ulthamir, Unending Void

: At the beginning of each player's upkeep, that player sacrifices all permanents with void counters on them.
+1: Put a void counter on that permanent you control, them on target permanent a opponent controls. Draw a card.
-9: Put a void counter on each permanent on the battlefield, then create a 5/5 white black soul creature token with flying and indestructible.