Can I build a deck together with friends on TCGSwap?

Yes. Every deck on TCGSwap has a Collaboration Space. You can invite up to 5 friends; they can suggest card changes, discuss ideas, and playtest proposals. You review and apply suggestions before anything changes in your deck.

How does deck collaboration work?

It works like a pull request for your deck. Collaborators open the deck editor, make their proposed changes, and submit a suggestion with a note. You get notified, open the comparison view to see exactly what they changed, and choose to apply all, cherry-pick individual cards, or decline. Nothing changes in your deck until you approve it.

Can collaborators chat and discuss the deck?

Yes. The Collaboration Space has a shared group discussion thread for the whole deck, plus a per-suggestion Q&A thread for each proposal. You can @mention teammates and link specific cards inline.

Is collaborative deck building free?

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Does TCGSwap work for MTG, Pokémon, Yu-Gi-Oh and One Piece collaboration?

Yes. The Collaboration Space supports all four games — Magic: The Gathering, Pokémon TCG, Yu-Gi-Oh and One Piece. Format validation and card prices are included for each game.

Sunny Castform · Hidden Legends 26/101

Sunny Castform (Hidden Legends 26/101), Rare, Basic, 70 HP. Market price €1.34, unchanged this week. Illustrated by Sumiyoshi Kizuki. Prices are estimates from TCGPlayer and Cardmarket, not guaranteed values.

Card text

Poke-POWER: Temperamental Weather — Once during your turn (before your attack), you may search your deck for Castform, Rain Castform, or Snow-cloud Castform and switch it with Sunny Castform. (Any cards attached to Sunny Castform, damage counters, Special Conditions, and effects on it are now on the new Pokémon.) Shuffle Sunny Castform back into your deck. You can't use more than 1 Temperamental Weather Poké-Power each turn.
Sunshine — Search your discard pile for a Stadium card, show it to your opponent, and put it into your hand.
Sunburn 40 — If High Pressure System is in play, the Defending Pokémon is now Burned.

Weekly price history

Week	Market price
2026-W31	€1.33
2026-W32	€1.31
2026-W33	€1.31
2026-W34	€1.31
2026-W35	€1.31
2026-W36	€1.31
2026-W37	€1.33
2026-W38	€1.34
2026-W39	€1.34

Printings & variants

Normal — $5.41
Reverse Holo — $34.04

Questions

How much is Sunny Castform 26/101 worth?

Sunny Castform from Hidden Legends (26/101) has a market estimate of €1.34, unchanged this week. Prices are estimates from TCGPlayer and Cardmarket.

Is Sunny Castform 26/101 rare?

It is a Rare from Hidden Legends, a 101-card set.

Is Sunny Castform 26/101 tournament legal?

Sunny Castform 26/101 has rotated out of the current formats.

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