Board Thread:Fun and Games/@comment-30510141-20161220114724/@comment-25856498-20161223133236

Mortar, Elixir Collector and Golem are the only cards to have the Arena in which they are unlocked in change (all from Royal Arena to Builder's Workshop).

This did not change the number of trophies required to reach the Arena in which they are unlocked (remains at 1700)