I have spectacle of Destruction out. My opponent has the Elesh Norn that gives all my creatures-2/-2. I created 200 1/1 tokens that all die to SBA. The 200+ triggers of the spectacle of destruction take forever to complete. I ended up using all of my timers and then it started using my opponents, and neither of us could do anything about it. I am unsure what happens when my opponents timer runs out, because they scooped before that happened.