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.

Obsidim, the Ashened City · Phantom Nightmare 3055018/101

Obsidim, the Ashened City (Phantom Nightmare 3055018/101), Super Rare. Market price $0.23, unchanged this week. Prices are estimates from TCGPlayer and Cardmarket, not guaranteed values.

Face-up Special Summoned monsters your opponent controls become Pyro during your turn only. You can only use each of the following effects of "Obsidim, the Ashened City" once per turn. During your End Phase: You can target 1 "Obsidim, the Ashened City" in your GY; place it on the bottom of your Deck, then draw 1 card. If this card in the Field Zone is destroyed or banished: You can Special Summon 1 "Ashened" monster from your Deck.

Weekly price history

Week	Market price
2026-W31	$0.21
2026-W32	$0.22
2026-W33	$0.22
2026-W34	$0.22
2026-W35	$0.22
2026-W36	$0.23
2026-W37	$0.23

Questions

How much is Obsidim, the Ashened City 3055018/101 worth?

Obsidim, the Ashened City from Phantom Nightmare (3055018/101) has a market estimate of $0.23, unchanged this week. Prices are estimates from TCGPlayer and Cardmarket.

Is Obsidim, the Ashened City 3055018/101 rare?

It is a Super Rare from Phantom Nightmare, a 101-card set.

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