The Mega Battle Deck (Mega Diancie ex) is a Pokémon TCG starter deck featuring 60 cards from the Mega Battle set. Illustrated by 5ban Graphics and manufactured by MEGA in Japan, this deck includes cards featuring characters like Gengar and Diancie, with a Dragon archetype. It is designed for the Pokémon League event and is suitable for ages 6 and up. This deck is in English and comes signed by Ryo Ueda, making it a desirable collectible for fans of the Pokémon TCG.