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Strength Expansion Pack Sun & Moon (Japanese: 強化拡張パック サン&ムーン) is the name given to the first Japanese sub-set released during the Sun & Moon Era of the Pokémon Trading Card Game. An enhancement of the first expansion, Collection Sun and Collection Moon, it continues the introduction of Generation VII Pokémon into the card game, while providing new prints of Pokémon already included in the first expansion.
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The Strength Expansion Pack Sun & Moon is a 51 card subset releasing on January 27, 2017 in Japan. All the cards included within the sub-set are Mirror Holofoil. The Expansion Pack is considered a supplement to the first Sun & Moon Era expansion, Collection Sun and Collection Moon, providing new prints and Evolutions of cards already introduced in the first expansion, like Toxapex and Eevee, while debuting additional Generation VII Pokémon, such as Drampa and Mudsdale.