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.

Spiritualism · Labyrinth of Nightmare 15866454/315

Spiritualism (Labyrinth of Nightmare 15866454/315), Rare. Market price $1.22, unchanged this week. Prices are estimates from TCGPlayer and Cardmarket, not guaranteed values.

Return 1 Spell/Trap Card your opponent controls to the hand. This card's activation and effect cannot be negated.

Weekly price history

Week	Market price
2026-W31	$0.50
2026-W32	$0.82
2026-W33	$0.93
2026-W34	$0.94
2026-W35	$0.94
2026-W36	$1.09
2026-W37	$1.09
2026-W38	$1.22
2026-W39	$1.22

Questions

How much is Spiritualism 15866454/315 worth?

Spiritualism from Labyrinth of Nightmare (15866454/315) has a market estimate of $1.22, unchanged this week. Prices are estimates from TCGPlayer and Cardmarket.

Is Spiritualism 15866454/315 rare?

It is a Rare from Labyrinth of Nightmare, a 315-card set.

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