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?

Yes, collaboration is free for all TCGSwap users during beta. You can invite up to 5 collaborators per deck.

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.

Psyduck · 151 175/165

Psyduck (151 175/165), Illustration rare, Basic, 70 HP. Market price €54.19, unchanged this week. Illustrated by Whisker. Prices are estimates from TCGPlayer and Cardmarket, not guaranteed values.

It is constantly wracked by a headache. When the headache turns intense, it begins using mysterious powers.

Card text

Overthink — During your opponent's next turn, whenever they flip a coin, treat it as tails.
Water Gun 10

Weekly price history

Week	Market price
2026-W31	€59.31
2026-W32	€58.66
2026-W33	€58.68
2026-W34	€54.46
2026-W35	€54.56
2026-W36	€54.75
2026-W37	€53.66
2026-W38	€54.17
2026-W39	€54.19

Printings & variants

Holo — $62.46

Questions

How much is Psyduck 175/165 worth?

Psyduck from 151 (175/165) has a market estimate of €54.19, unchanged this week. Prices are estimates from TCGPlayer and Cardmarket.

Is Psyduck 175/165 rare?

It is an Illustration rare from 151, a 165-card set.

Is Psyduck 175/165 tournament legal?

Psyduck 175/165 is legal in Expanded.

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