‘Miracle Twins’ Secret Rares Leaking! By: Water Pokémon Master · Posted Posted onMay 28, 2019 at 10:06 PM · 0 Comments The secret rare cards from Miracle Twins are currently leaking! Keep refreshing for new cards! The set will release in Japan on May 31st. The cards from the set will become part of our Unified Minds set on August 2nd.