This is a CCG but purchasing cards isn’t really the reason people play duelyst. I don’t think trading contradicts collecting, trading one card for another card shouldn’t make a collection any less meaningful. Spending gold or money on packs is just another form of trading.
Cheating would be a problem, and the devs profit more without the efficiency of trading, doesn’t seem like it would happen.
But there’s an argument to be made that duelyst would be more popular if players could trade; it would make the collections more real and significant, it would lead to meaningful social interactions that motivates players to collect more, and it would make the duelyst experience more satisfying since players can efficiently build around their personal preferences.
