A couple notes:
I actually faced this deck before I read this post and I thought it was an awesome idea, glad I found it on the message boards.
A couple points though:
1. Your deck only has 2 copies of Saruman. The deck I faced must have had 4 copies, and trust me, it is a huge deterrent from double-moving when your opponent drops Saruman and nothing else after your first move. Especially at Site 4 or 7. By preventing the opponent from sprinting along you give yourself more time to run through your deck and set everything up. If your opponent is able to double move each turn thanks to lack of minions, you may not be able to set up the "pit" in time.
2. Would it make sense to substitute out the Ravagers for Messengers? They only cost 2 (1 at the Slopes) and would be Strength of 9 also when there is a weather condition. Would be helpful if you were facing a choke deck and/or if they discard your Hollowing of Isengards. The drawbacks are only 1 vitality of course, but Spies would eliminate archery and Snows would eliminate
PatHS. And if the opponent Sentinels your weather condition they are lowly 6 strength minions.
3. What is you optimum final hand for site 9?
Saruman, 3 Lieutenants, 3 Ravagers, 1 Captain?
Substitute a Ravager for a
Spies of Saruman if you are facing archery?