Idol Of Destruction

Suspend {b}{b}11: (Cast this card from your hand
only on your turn. Exile this card with 11 time
counters on it. At the beginning of your upkeep remove
a time counter and destroy a target creature. When the
last time counter is removed, put this card onto the battlefield it is a Black Legendary Demon Lord
with haste.)
Idol Of Destructions power and toughness are
each equal to the number of creature cards in all opponents graveyards.