Daily rewards should scale up for completely them consecutively, e.g. if you didn't do yesterday's, you get one token, if you've done two days in a row you get two tokens, etc. up to five tokens.
Once you've cleared all the missions, the game should cycle through a set of bonus missions that have coins or character tokens as rewards. Loving all these frequent updates!
There should be a coin or combo bonus for killing Berserkers, just to make the Thunder Scroll more appealing. It's not bad, but it's nowhere near as good as the other Scrolls.
In addition to the daily and multiplier missions, there should be high score missions that reward the player for getting their high score past certain milestones.
If you want to test out a deck, the Ambushes are always in the same place, so use those. EDIT: Oh, but you'll lose energy if you use lose, so keep that in mind.
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 "Ninja Slash"){kind=icon}
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 "Knightmare Tower"){kind=icon}
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 "Don't Look Back"){kind=icon}
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 "Toss the Turtle"){kind=icon}
 "Sonny"){kind=icon}