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.

Dark Necrofear · Labyrinth of Nightmare 31829185/315

Dark Necrofear (Labyrinth of Nightmare 31829185/315), Ultra Rare. Market price $0.13, unchanged this week. Prices are estimates from TCGPlayer and Cardmarket, not guaranteed values.

Cannot be Normal Summoned/Set. Must first be Special Summoned (from your hand) by banishing 3 Fiend monsters from your GY. During the End Phase, if this card is in your GY because it was destroyed in your Monster Zone by an opponent's card and sent there this turn: Target 1 face-up monster your opponent controls; equip this card to that target. While this card is equipped to a monster by this effect, take control of that monster.

Weekly price history

Week	Market price
2026-W31	$0.13
2026-W32	$0.13
2026-W33	$0.12
2026-W34	$0.13
2026-W35	$0.13
2026-W36	$0.12
2026-W37	$0.12
2026-W38	$0.13
2026-W39	$0.13

Questions

How much is Dark Necrofear 31829185/315 worth?

Dark Necrofear from Labyrinth of Nightmare (31829185/315) has a market estimate of $0.13, unchanged this week. Prices are estimates from TCGPlayer and Cardmarket.

Is Dark Necrofear 31829185/315 rare?

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

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