How much is Rain Castform (Japanese) from Undone Seal worth?

In 2026, Rain Castform (Japanese) (Undone Seal, 026/083) is worth about $9.90 in Near Mint condition.

How much does condition change the value of Rain Castform (Japanese)?

A lot. Rain Castform (Japanese) ranges from $9.90 in Near Mint down to $6.49 in Moderately Played — that's the difference clean handling makes.

Where can I check the latest value of Rain Castform (Japanese)?

Right here on PokeCardWorth — search Rain Castform (Japanese) for an up-to-date Near Mint value, graded prices, and a full condition breakdown sourced from real marketplace data.

Rain Castform (Japanese)

Undone Seal · 026/083 · Rare

Current Prices

Market Price $9.90

Low $9.90

High $9.90

PSA 10 N/A

PSA 9 N/A

30-Day Trend —

Set

Undone Seal

Number

026/083

Rarity

Rare

Variant

Normal

Market

US (TCGplayer)

Last Updated

Jun 9, 2026

Check Price

What Is Rain Castform (Japanese) Worth?

Rain Castform (Japanese) is a Rare card in the Undone Seal set, card number 026/083. On PokeCardWorth we focus on one question — what is it actually worth — and at its current valuation, it sits in the budget range, so it is an accessible addition for most collectors.

Rain Castform (Japanese) Value Breakdown

As of 2026, Rain Castform (Japanese) (Undone Seal, 026/083) is worth around $9.90 in Near Mint condition. Condition drives the price hard: a Near Mint copy is worth about $9.90, while a Moderately Played one drops to roughly $6.49. The full condition ladder runs Near Mint $9.90, Lightly Played $6.41, Moderately Played $6.49 — so grading the condition correctly before you buy or sell matters more than almost anything else.

Detailed Price Breakdown

Source	Condition / Grade	Average	Low	High	Sales
ebay	LIGHTLY PLAYED	$6.41	$6.41	$6.41	2
ebay	MODERATELY PLAYED	$6.49	$6.49	$6.49	3
ebay	NEAR MINT	$9.90	$9.90	$9.90	1

Is Rain Castform (Japanese) a Good Buy?

Rain Castform (Japanese) is a Rare that collectors actively chase for set completion. Upside is modest; the main reason to hold is enjoyment and set-building. Whatever you decide, recheck Rain Castform (Japanese)'s value on PokeCardWorth before buying or selling — the 2026 market shifts with set releases, nostalgia cycles, and demand.