Shadow Circle

Shadow Circle

Shadow Circle appears in the Japanese print of M Master Deck Build Box Speed Style, released on August 7, 2015. The M Master Deck Build Box Speed Style set contains 49 cards.

Artist Info

This card's illustration was created by Ryo Ueda.

Collector Insights

Shadow Circle is a Stadium card from the M Master Deck Build Box Speed Style set, released on August 7, 2015. Designed by artist Ryo Ueda, it serves as a special stadium-type booster for gameplay strategies. The card’s flavor text emphasizes a defensive mechanic, stating that all Pokémon with attached Darkness Energy—regardless of ownership—gain resistance to Weakness. It does not specify hit points or other numerical attributes. The card’s unique ability directly interacts with Energy attachments, altering game dynamics during battles. Its presence in the Speed Style theme aligns with the set’s focus on rapid, aggressive playstyles. The design highlights strategic depth by incentivizing Energy management. This card remains a notable inclusion for its thematic impact on gameplay mechanics.

Each Pokémon that has any Darkness Energy attached to it (both yours and your opponent's) has no Weakness.

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