The Slenderman

+1: Put a Fear counter on target creature. (That creature can't block wile it has a Fear counter on it.)
-1: Put a Insanity counter on target nonland permanent. (It deals damage to its controller equal to its casting cost At its controllers end step.)
-3: Destroy each Permanent with a Fear or Insanity counter on it, for each card destroyed this way destroy target land.