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.

Therion "Reaper" Fum · Dimension Force 21727231/101

Therion "Reaper" Fum (Dimension Force 21727231/101), Common. Market price $0.12, unchanged this week. Prices are estimates from TCGPlayer and Cardmarket, not guaranteed values.

You can only use each of the following effects of "Therion "Reaper" Fum" once per turn. ● You can target 1 "Therion" monster or 1 Aqua monster in your GY; Special Summon this card from your hand, and if you do, equip that monster to this card. ● During your opponent's turn (Quick Effect): You can target 1 "Therion" card in your Spell & Trap Zone and 1 card your opponent controls; return them to the hand. A "Therion" monster equipped with this card gains 700 ATK, also it can activate the 2nd effect listed above as if it were "Therion "Reaper" Fum".

Weekly price history

Week	Market price
2026-W31	$0.14
2026-W32	$0.14
2026-W33	$0.14
2026-W34	$0.14
2026-W35	$0.14
2026-W36	$0.12
2026-W37	$0.12
2026-W38	$0.12
2026-W39	$0.12

Questions

How much is Therion "Reaper" Fum 21727231/101 worth?

Therion "Reaper" Fum from Dimension Force (21727231/101) has a market estimate of $0.12, unchanged this week. Prices are estimates from TCGPlayer and Cardmarket.

Is Therion "Reaper" Fum 21727231/101 rare?

It is a Common from Dimension Force, a 101-card set.

Browse more Yu-Gi-Oh cards · All Dimension Force cards · Build a deck · Track your collection