Mega Greninja ex Flips the Battle Upside Down! Deliver serious damage and take Mega Greninja ex for a spin! Its Mortal Shuriken Ability lets you discard a Basic Water Energy from your hand to place six damage counters on one of your opponents Pokmon. Then, finish up your turn with its Ninja Spinner attackwhich has the potential to do 200 damage. In this collection, youll get a foil promo card featuring the Mega-Evolved form of the Ninja Pokmon in both playable and display sizes, along with a cool tech sticker and a whopping stack of eight booster packs.