There are currently two raids that award Costume Gengar in Pokémon GO: Mega Gengar raids that take multiple trainers to take down, which also award Mega Gengar Energy and… well, Costume Gengar raids.
Want to build a powerful deck with Mega Gengar EX in Pokemon TCG Pocket? Check out our guide for the best deck you can make ...
It is recommended to power up your counters as much as possible and creating that amount of strong Shadow or Mega Pokémon with their moves unlocked is a tall order for even the most practiced players.
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