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.

Summon Reactor SK · Crimson Crisis: Special Edition 89493368/2

Summon Reactor SK (Crimson Crisis: Special Edition 89493368/2), Common. Market price $0.19, unchanged this week. Prices are estimates from TCGPlayer and Cardmarket, not guaranteed values.

The first time a monster(s) is Summoned to your opponent's side of the field each turn, inflict 800 damage to your opponent. During the Battle Phase of the turn this effect is activated, you can negate the attack of 1 monster your opponent controls. You can send 1 face-up "Trap Reactor・Y FI", 1 face-up "Spell Reactor・RE" and this face-up card you control to the Graveyard to Special Summon 1 "Flying Fortress SKY FIRE" from your hand, Deck, or Graveyard.

Weekly price history

Week	Market price
2026-W31	$0.22
2026-W32	$0.22
2026-W33	$0.21
2026-W34	$0.21
2026-W35	$0.21
2026-W36	$0.22
2026-W37	$0.22
2026-W38	$0.19
2026-W39	$0.19

Questions

How much is Summon Reactor SK 89493368/2 worth?

Summon Reactor SK from Crimson Crisis: Special Edition (89493368/2) has a market estimate of $0.19, unchanged this week. Prices are estimates from TCGPlayer and Cardmarket.

Is Summon Reactor SK 89493368/2 rare?

It is a Common from Crimson Crisis: Special Edition, a 2-card set.

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