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.

D/D/D Duo-Dawn King Kali Yuga · Dimension of Chaos: Special Edition 15939229/4

D/D/D Duo-Dawn King Kali Yuga (Dimension of Chaos: Special Edition 15939229/4), Super Rare. Market price $0.28, unchanged this week. Prices are estimates from TCGPlayer and Cardmarket, not guaranteed values.

2 Level 8 "D/D" monsters After this card is Xyz Summoned, for the rest of this turn, other cards and their effects cannot be activated on the field, and other cards' effects on the field are negated. Once per turn, during either player's turn: You can detach 1 Xyz Material from this card; destroy all Spell and Trap Cards on the field. You can detach 1 Xyz Material from this card, then target 1 "Dark Contract" Spell/Trap Card in your Graveyard; Set that target.

Weekly price history

Week	Market price
2026-W31	$0.26
2026-W32	$0.26
2026-W33	$0.24
2026-W34	$0.26
2026-W35	$0.26
2026-W36	$0.25
2026-W37	$0.20
2026-W38	$0.28
2026-W39	$0.28

Questions

How much is D/D/D Duo-Dawn King Kali Yuga 15939229/4 worth?

D/D/D Duo-Dawn King Kali Yuga from Dimension of Chaos: Special Edition (15939229/4) has a market estimate of $0.28, unchanged this week. Prices are estimates from TCGPlayer and Cardmarket.

Is D/D/D Duo-Dawn King Kali Yuga 15939229/4 rare?

It is a Super Rare from Dimension of Chaos: Special Edition, a 4-card set.

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