Need to able to rename spell books.
Need to be able to view spell books separately from the builder.  i.e. be able to look at and select cards from your deck and not have them delete themselves.
Need to be able to view available cards by type.
Need to be able to record history of games played. (Record wins and losses when using different mages.
Searchable rules codex
Add spell tombs and promo cards
Indicate when card limit is reached based on number of cards owned.
Do not add IAP for expansions. Add cost into expansion sets (if necessary) or give a code to those who buy expansions sets to get APP updates for free. $5 is a premium price for an app that doesn't really DO anything. Eg. I can't play it. This app now makes me want to get the expansions I missed, it is encouraging play, charging me to then update the app will feel cheap.
zoom on cards needs to be bigger
Alternate way to scroll pages (arrows or something) as often a slip of the finger means you select a card you had no intention of selecting.

Thanks