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.

The Queen - Mirror Seeker · Promo Set 3 12/56

The Queen - Mirror Seeker (Promo Set 3 12/56), Promo. Market price $5.48. Illustrated by Jennifer Gheduzzi / Livio Cacciatore. Prices are estimates from TCGPlayer and Cardmarket, not guaranteed values.

CALCULATING AND VAIN Whenever this character quests, you may look at the top 3 cards of your deck and put them back in any order.

Weekly price history

Week	Market price
2026-W39	$5.44

Questions

How much is The Queen - Mirror Seeker 12/56 worth?

The Queen - Mirror Seeker from Promo Set 3 (12/56) has a market estimate of $5.48. Prices are estimates from TCGPlayer and Cardmarket.

Is The Queen - Mirror Seeker 12/56 rare?

It is a Promo from Promo Set 3, a 56-card set.

Browse more Disney Lorcana cards · All Promo Set 3 cards · Build a deck · Track your collection