Interfering in combat

[snarky]

Originally Posted by antee

In addition, i have one more question - for example i faced stoned golem, card says i may simple walk away... a should decide before fighting, would i fight or not... or i have option to change my mide whenever i want?

I'm pretty sure there's a specific ruling on this, though I can't recall exactly what it was, and my Google-fu fails me. I think I would say that you could change your mind whenever someone enhances the monster, just as you can decide to ask for help or not.