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.

Mereologic Aggregator · Darkwing Blast 9940036/101

Mereologic Aggregator (Darkwing Blast 9940036/101), Super Rare. Market price $0.18, unchanged this week. Prices are estimates from TCGPlayer and Cardmarket, not guaranteed values.

2+ Level 9 monsters If this card is Xyz Summoned: You can send 1 monster from your Extra Deck to the GY. You can target monsters in your GY, up to the number of materials this card has; detach materials from this card equal to the number of those targets in the GY, and if you do, attach those targets to this card. If this card is sent to the GY: You can target 1 face-up card on the field; negate its effects until the end of this turn. You can only use each effect of "Mereologic Aggregator" once per turn.

Weekly price history

Week	Market price
2026-W31	$0.24
2026-W32	$0.22
2026-W33	$0.24
2026-W34	$0.18
2026-W35	$0.18
2026-W36	$0.20
2026-W37	$0.19
2026-W38	$0.18
2026-W39	$0.18

Questions

How much is Mereologic Aggregator 9940036/101 worth?

Mereologic Aggregator from Darkwing Blast (9940036/101) has a market estimate of $0.18, unchanged this week. Prices are estimates from TCGPlayer and Cardmarket.

Is Mereologic Aggregator 9940036/101 rare?

It is a Super Rare from Darkwing Blast, a 101-card set.

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