Pokémon TCG: MEGA—Nihil Zero (Perfect Order) Japanese Booster BoxNihil Zero is the first booster set to be fully based on the video game Pokmon Legends: Z A (although there have been cards based on Pokmon and characters from the video game in products released prior). The central Pokmon is Mega Zygarde ex, appearing as a Mega Evolution Pokmon ex card. Various other Pokmon and characters from Pokmon Legends: Z A also appear as cards. Each Japanese Nihil Zero Booster Box contains 30 booster packs containing 5 random