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.

Cynthia & Caitlin · Cosmic Eclipse 228/236

Cynthia & Caitlin (Cosmic Eclipse 228/236), Ultra Rare. Market price €105.41, up 3.6% this week. Illustrated by Sakiko Maeda. Prices are estimates from TCGPlayer and Cardmarket, not guaranteed values.

Card text

Put a Supporter card from your discard pile into your hand. You can’t choose Cynthia & Caitlin or a card you discarded with the effect of this card. When you play this card, you may discard another card from your hand. If you do, draw 3 cards.

Weekly price history

Week	Market price
2026-W31	€102.68
2026-W32	€105.54
2026-W33	€105.54
2026-W34	€106.41
2026-W35	€106.41
2026-W36	€104.36
2026-W37	€102.33
2026-W38	€101.76
2026-W39	€105.41

Questions

How much is Cynthia & Caitlin 228/236 worth?

Cynthia & Caitlin from Cosmic Eclipse (228/236) has a market estimate of €105.41, up 3.6% this week. Prices are estimates from TCGPlayer and Cardmarket.

Is Cynthia & Caitlin 228/236 rare?

It is an Ultra Rare from Cosmic Eclipse, a 236-card set.

Is Cynthia & Caitlin 228/236 tournament legal?

Cynthia & Caitlin 228/236 is legal in Expanded.

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