Rain Castform #26 (1st Edition) — Undone Seal

PriceCharting market prices as of 2026-10-20:

TCGplayer market price: $5 (as of 2026-10-20)

Market context: ungraded price +0.0% over 30 days. +19.8% over 90 days.

More from Undone Seal

• Oddish #3
• Pinsir #6
• Pinsir #6
• Rain Castform #26
• Regice ex #38
• Regice ex #38

Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-undone-seal/pokemon-japanese-undone-seal-rain-castform-1st-edition-26