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.

M Houndoom EX · BREAKthrough 154/162

M Houndoom EX (BREAKthrough 154/162), Ultra Rare, MEGA, 210 HP. Market price $56.91, up 0.1% this week. Illustrated by 5ban Graphics. Prices are estimates from TCGPlayer and Cardmarket, not guaranteed values.

Card text

Inferno Fang 80+ — You may discard all Fire Energy attached to this Pokémon. If you do, this attack does 80 more damage.

Weekly price history

Week	Market price
2026-W31	$58.50
2026-W32	$58.52
2026-W33	$57.15
2026-W34	$57.16
2026-W35	$57.16
2026-W36	$57.16
2026-W37	$57.49
2026-W38	$56.85
2026-W39	$56.91

Questions

How much is M Houndoom EX 154/162 worth?

M Houndoom EX from BREAKthrough (154/162) has a market estimate of $56.91, up 0.1% this week. Prices are estimates from TCGPlayer and Cardmarket.

Is M Houndoom EX 154/162 rare?

It is an Ultra Rare from BREAKthrough, a 162-card set.

Is M Houndoom EX 154/162 tournament legal?

M Houndoom EX 154/162 is legal in Expanded.

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