Firstly, I like the basic idea of the proposed system, I appreciate the chance to give feedback and agree with most of the other posts above. I had a super long post written up on this, but I think it will be best if I try to summarize it instead (PS. which also turned out quite a mouth full, sorry for that ).
TLDR:
I think BFP rewards should be reduced and other booster / card based rewards should be increased via achievements and rolling over quests.
The list:
I like the idea of the reserve pool. Have you considered letting the initial 10% of the pool fill slightly quicker,