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.

Nightmare · Tenth Edition 164★/510

Nightmare (Tenth Edition 164★/510), Rare, Creature — Nightmare Horse. Market price $2.57, unchanged this week. Illustrated by Carl Critchlow. Prices are estimates from TCGPlayer and Cardmarket, not guaranteed values.

First printed in Limited Edition Alpha on 5 August 1993.

More Nightmare printings

Nightmare · 30th Anniversary Edition — €27.10
Nightmare · 30th Anniversary Edition — €95.00
Nightmare · The List — $0.36
Nightmare · Welcome Deck 2017 — $0.28
Nightmare · Welcome Deck 2016 — $0.17
Nightmare · Magic Origins — $0.15
Nightmare · Magic 2015 — $0.15
Nightmare · Magic 2014 — $0.23
Nightmare · Magic 2010 — $0.33
Nightmare · Tenth Edition — $0.74
Nightmare · Ninth Edition — $0.36
Nightmare · Ninth Edition — $6.19

Weekly price history

Week	Market price
2026-W31	$1.86
2026-W32	$1.86
2026-W33	$2.57
2026-W34	$2.57
2026-W35	$2.57
2026-W36	$2.57
2026-W37	$2.57
2026-W38	$2.57
2026-W39	$2.57
2026-W40	$2.57

Price in context

Nightmare ranks #96 of the 486 priced cards in Tenth Edition. The median Rare in the set is $2.39. The 486 priced cards in Tenth Edition are worth $1302.30 together; this card is 0.2% of that. The set’s value is up 0.3% this week. Over the last 10 weeks the set’s value went from $1270.02 to $1271.58 (+0.1%).

Top chases in Tenth Edition

Set value over 10 weeks · same 475 cards each week
Week	Set value
2026-W31	$1270.02
2026-W32	$1256.54
2026-W33	$1265.59
2026-W34	$1251.13
2026-W35	$1235.93
2026-W36	$1243.16
2026-W37	$1247.30
2026-W38	$1266.24
2026-W39	$1284.98
2026-W40	$1271.58