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.

Xerneas · Steam Siege 81/114

Xerneas (Steam Siege 81/114), Rare, Basic, 130 HP. Market price €6.27, up 5.2% this week. Illustrated by Megumi Mizutani. Prices are estimates from TCGPlayer and Cardmarket, not guaranteed values.

Legends say it can share eternal life. It slept for a thousand years in the form of a tree before its revival.

Card text

Geomancy — Choose 2 of your Benched Pokémon. For each of those Pokémon, search your deck for a Fairy Energy card and attach it to that Pokémon. Shuffle your deck afterward.
Rainbow Spear 100 — Discard an Energy attached to this Pokémon.

Weekly price history

Week	Market price
2026-W31	€5.30
2026-W32	€5.63
2026-W33	€5.59
2026-W34	€5.90
2026-W35	€5.80
2026-W36	€5.86
2026-W37	€5.82
2026-W38	€5.96
2026-W39	€6.27

Questions

How much is Xerneas 81/114 worth?

Xerneas from Steam Siege (81/114) has a market estimate of €6.27, up 5.2% this week. Prices are estimates from TCGPlayer and Cardmarket.

Is Xerneas 81/114 rare?

It is a Rare from Steam Siege, a 114-card set.

Is Xerneas 81/114 tournament legal?

Xerneas 81/114 is legal in Expanded.

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