Instead of developing more gameplay options to make the game more interesting as in Dominion Era, these money blind, greedy devs can only think of ways to sucker people & take there money
None of them, its one of the most greedy way from hw to let u loose valuable recourses. Sets are terrible, its hard enough just to upgrade 1 Team to max even 1-3 Teams for (GW/CW) will take u years. And to think of, to swap those rare Recourses for Heroes that nobody use just to fill 1 out of 8? sets for what? +1-2k power (max 12k Power for all IF all sets max) is horrible Trade...