Thanks for messaging me. I am very sorry but I am currently supporting my teammate on HCT Italy while preparing myself for HCT Germany qualifier - 4 days all-day long hardcore tournaments which will be in a few days so I am really busy and I can' really afford to play your deck properly.
What is more important ,you have my greatest thanks for being a successor in my effort to bring a good game experience for those who are new or just don't want to invest into the game, you are doing an awesome job there.
Here, at least have my initial thoughts:
1. Blazing Invocation is in my opinion better 1-drop than Witch's Apprentice for the matter of deck - Discover > Add random x to your hand. You maybe can get good overload spell of it, but more often you don't. Pool of shaman's battlecry cards is really fun and powerfull, so it may give some spicy scenarios into the game.
2. I would push the whole deck towards elemental synergy with early drops likeFire Fly and discovering from Servant of Kalimos for more Snowfury Giants, Earth Elementals or just giving you the better options to answer situation.
3. I would remove Loot Hoarders and add one more Acolyte of Pain. Volcano synergy is just great with it.
Leaving it here so other people could also join the discussion.
Good job and good luck with this glorious mission of helping F2P community to have fun with HearthStone!