(1) Mega Evolutions Elite Trainer Box
 
(9) Mega Evolutions Booster Packs 
 
(10) Cards Per Pack
 
(45) Pokémon TCG Energy cards
 
(1) Player's guide to the Mega Evolution expansion
 
(6) Damage-counter dice
 
(1) Competition-legal coin-flip die
 
(2) Plastic condition markers
 
(1) Collector's box with 6 dividers
 
(1) Code card for Pokémon TCG Live 
 
The Mega Evolution expansion reintroduces the Mega Evolution mechanic into the Pokémon TCG, featuring powerful Mega Pokémon ex cards with massive HP and devastating attacks. However, they come with a high-risk trade-off: your opponent takes three Prize cards when they knock out one of your Mega Pokémon ex.