Emerald Break

Emerald Break is the Japanese sixth main set of the XY era, set in the Omega Ruby & Alpha Sapphire storyline and built around Rayquaza, Mega Rayquaza and dragons fighting under open skies. The set has 91 cards, including 78 main cards and 13 secret rares. Its trademarks are M Rayquaza-EX, Rayquaza-EX and Shaymin-EX, and its key mechanics are Pokémon-EX, M Pokémon-EX and Ancient Traits.