Lashes or Pillory?

[Destore117]

 {Pillory of the Sleepless}
Or
{One Thousand Lashes}
Which is better overall? What would you use? Why? What are some tips supporting the different cards? I use thousand lashes in my Orzhov but am now thinking of switch to Pillory for the reduced mana cost.

[Thetrufflehunter]

Or {stab wound}...

[cltrn81]

Or {stab wound}...

This

One of my favorite cards in limited