Can I build a deck together with friends on TCGSwap?

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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?

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Is collaborative deck building free?

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

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Koffing · HeartGold SoulSilver 70/123

Koffing (HeartGold SoulSilver 70/123), Common, Basic, 50 HP. Market price €0.61, up 8.9% this week. Illustrated by Hajime Kusajima. Prices are estimates from TCGPlayer and Cardmarket, not guaranteed values.

Its thin, filmy body is filled with gases that cause constant sniffles, coughs and teary eyes.

Card text

Smokescreen 10 — If the Defending Pokémon tries to attack during your opponent's next turn, your opponent flips a coin. If tails, that attack does nothing.
Suffocating Gas 20

Weekly price history

Week	Market price
2026-W31	€0.36
2026-W32	€0.43
2026-W33	€0.43
2026-W34	€0.54
2026-W35	€0.54
2026-W36	€0.53
2026-W37	€0.58
2026-W38	€0.56
2026-W39	€0.61

Printings & variants

Normal — $0.55
Reverse Holo — $7.28

Questions

How much is Koffing 70/123 worth?

Koffing from HeartGold SoulSilver (70/123) has a market estimate of €0.61, up 8.9% this week. Prices are estimates from TCGPlayer and Cardmarket.

Is Koffing 70/123 rare?

It is a Common from HeartGold SoulSilver, a 123-card set.

Is Koffing 70/123 tournament legal?

Koffing 70/123 has rotated out of the current formats.

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