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サイドン (Green Back) is a Japanese Topsun printing of Rhydon with collector number 112 and a green-backed variant. The card data shows no printed attacks, abilities, or standard gameplay text and lists a retreat cost of 0, indicating it lacks normal TCG rules information. Its variant and missing gameplay text imply it functions as a collectible or nonstandard print rather than a regular game card.
Catalog pricing data as of 25 Apr 2026, 21:39