Hearthpwn

Could someone please tell me how to play this Zayle, Shadow Cloak deck?
Everytime I was given this deck from Zayle I was messed up most of the time.
What are your basic strategies?
How do you use each special cards?
THANKS !

Lazul's EVIL Deck
Circle of Healing 2
Forbidden Words 2
Silence 2
Topsy Turvy 1
Inner Fire 1
Northshire Cleric 2
Power Word: Shield 2
Divine Spirit 2
Madame Lazul 1
Auchenai Soulpriest 1
Hench-Clan Shadequill 2
Unsleeping Soul 2
Ancient Watcher 2
Dalaran Librarian 2
Wild Pyromancer 2
Arcane Watcher 2
Injured Blademaster 2