White Palace

White Palace enters the battlefield with a pain counter.
At the beginning of your upkeep put a pain counter on White Palace.
Creatures your opponents control get-1/-1 for each pain counter on White Palace.
At the beginning of your endstep, create X 2/2 Knight creature tokens with vigilance, where X is the Number of pain counters on White Palace.
Activated Abilities of permanents your opponents control can't be activated.