Pokémon · Undone Seal

Castform

French name: Morphéo

066/083Uncommon

Castform (Undone Seal 066/083) has a market price of US$1.75 to US$3.00 as of Nov 9, 2026.

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Price guide

The market price on TCGplayer, in US dollars: a guide, not an offer.

Market price

1st EditionUS$3.00

UnlimitedUS$1.75Low US$1.00

As of Nov 9, 2026 · The market price is TCGplayer’s, in US dollars. It is a guide, not an offer.

Card details

Type: Colorless
HP: 60
Energy type: Colorless
Stage: Basic
Weakness: Fighting ×2
Retreat cost: 1

Card text

Poké-POWER: Temperamental Weather Once during your turn (before your attack), you may search your deck for Sunny Castform, Rain Castform, or Snow-cloud Castform and switch it with Castform. (Any cards attached to Castform, damage counters, Special Conditions, and effects on it are now on the new Pokémon.) Shuffle Castform back into your deck. You can't use more than 1 Temperamental Weather Poké-Power each turn.

Attacks

Forecast (Colorless) Search your deck for a Stadium card and play it. Shuffle your deck afterward. [Colorless] Extra Ball (Colorless) 20+ If the Defending Pokémon is Pokémon-ex, this attack does 20 damage plus 20 more damage.

About this card

Castform is card 066/083 in Undone Seal, a Pokémon set released Jan 16, 2004. Rarity: Uncommon. Finishes: 1st Edition, Unlimited. Reference market price on Nov 9, 2026: US$3.00 (1st Edition), US$1.75 (Unlimited). The 1st Edition price did not change over the last 30 days. Source: TCGplayer market data via tcgcsv.com, updated daily. A reference price is not an offer.