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 Wave High King Caesar · Code of the Duelist Special Edition 79559912/4

D/D/D Wave High King Caesar (Code of the Duelist Special Edition 79559912/4), Super Rare. Market price $5.81, up 3.6% this week. Prices are estimates from TCGPlayer and Cardmarket, not guaranteed values.

2 Level 6 Fiend monsters When a Spell/Trap Card, or monster effect, is activated that includes an effect that Special Summons a monster (Quick Effect): You can detach 1 material from this card; negate the activation, and if you do, destroy that card, then you can make 1 other "D/D" monster you control and this card gain 1800 ATK until the end of this turn. If this card is sent from the field to the GY: You can add 1 "Dark Contract" card from your Deck to your hand.

Weekly price history

Week	Market price
2026-W31	$5.07
2026-W32	$4.94
2026-W33	$4.90
2026-W34	$4.95
2026-W35	$4.95
2026-W36	$5.34
2026-W37	$5.19
2026-W38	$5.61
2026-W39	$5.81

Questions

How much is D/D/D Wave High King Caesar 79559912/4 worth?

D/D/D Wave High King Caesar from Code of the Duelist Special Edition (79559912/4) has a market estimate of $5.81, up 3.6% this week. Prices are estimates from TCGPlayer and Cardmarket.

Is D/D/D Wave High King Caesar 79559912/4 rare?

It is a Super Rare from Code of the Duelist Special Edition, a 4-card set.

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