It is true, we have had a lot of discussion about the market place. Below is what I wrote about it in your survey. I'd like to take the opportunity to bring it under your attention again.
I totally don't agree that a market place for trading and/or buying cards will have a negative effect on income. In fact I expect it to boost the income considerabely.
It is up to the devs to take this next step and by doing so taking this game to the next level.
About your shop and trading,…
Non of us know the value of the cards: You don’t we don’t! Why!? There isn’t a market and that’s the only way to find it out. We know some rares are better than other rares. Especially duplicate legendary cards selling back to the computer is really outbalanced. I have brought this under your attention more than once.
To my opinion you should make a market for players trading/selling cards to other players.
On the other hand your shop should be able to sell every single card in the game instead of 3 randomly chosen cards for better/higher prices than you’d sell them now. Imagine that you sell legends for € 20,- each. A player who wants/needs a specific legend has then the following options:
1. Trying to earn it by playing the game and gaining packs (the long run)
2. Trying to find it on the market and buy/trade it from another player
3. Buying packs in the shop and hope to get lucky.
4. Or just pay a bit extra and just buy the specific card in the shop.
Imagine what kind of activity you would create in your game by doing so!
Another thing is currency. What do we have? We’ve got gold, we’ve got money for the dutyshop and we’ve got money for the raidshop.
Money for the dutyshop is pretty useless. Why can’t we change it for gold or money for the raidshop? Why can’t we change gold into money for the dutyshop and/or raidshop? Make it possible! Imagine a player who sells his legend to another player for 8.000 gold! The player who bought the legend is happy, he gets the card he’s after. The player who sold the card can now really make use of his gold because he can spend it on the market himself, or in the shop or he can change it into money for the raid and/or dutyshop. Both sides happy!