The not so good thing is we have to buy some emeralds to reach the prize to get more island moves... I'll be saving my energy and emeralds for Summer Festival.
You can get them in War Flag chests. There is a War Flag chest really close to the starting location of June's Island. Watch this video to see where to find it: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-ewrIhEPKGWg.html