★★★★★
“Quick and easy to find the cards I wanted thanks to search and the union arena tab too. Love the competitive prices too.”
UK-BASED COLLECTIBLES STOREPROFESSIONAL PACKING / COLLECTOR CARE
MYSTERY31 / THE COLLECTOR'S SIDE
MORE THAN CARDS.A BETTER WAY TO COLLECT.
We help collectors shop with confidence. Explore curated trading card stock, ask for condition information before buying, and receive your cards carefully packed from our UK store.
MYSTERY31 / ORIGINAL CHARACTER ART
CONDITION DETAILSAvailable on request
CAREFULLY PACKEDCollector-minded dispatch
UK ONLINE STOREFind your next collectible
01 / WHAT WE OFFER
COLLECTING, WITHOUT THE GUESSWORK.
01
FIND WHAT YOU COLLECT.
Shop singles, graded cards, sealed TCGs and Japanese collectibles across your favourite series.
02
ASK BEFORE YOU ORDER.
Need a closer look? Ask us for condition details or extra photographs on individual cards.
03
ORDER WITH CONFIDENCE.
We focus on secure packaging and clear communication throughout your Mystery31 order.
04 / ACTUAL CUSTOMER FEEDBACK
THE COMMUNITY SPEAKS.
★ 5.00/514 Judge.me reviews
★★★★★
“Arrived quickly and was shipped safely too”
★★★★★
“Arrived safely and soundly, and quicker than expected”
Customer feedback provided through Judge.me; ratings update as new reviews are published.
MORE CUSTOMER REVIEWS ↗02 / RECENTLY ADDED
WHAT'S NEW.
Union Arena Gurren Lagann UA56BT Japanese Sealed Booster Box (16 Packs)£63.00
Union Arena Hideyoshi Nagachika U★ Parallel UE18BT/TKG-1-092 – Tokyo Ghoul (English)£4.39
Union Arena Ginshi Shirazu R★ Parallel UE18BT/TKG-1-022 – Tokyo Ghoul (English)£3.29
Union Arena Freyja Wion R V Jump Promo UAPR/MCR-2-035 – Macross Delta (Japanese)£1.09
Union Arena Yoruichi Shihoin R V Jump Promo UAPR/BLC-4-032 – BLEACH Thousand-Year Blood War (Japanese)£1.00
Hololive OFFICIAL CARD GAME Oozora Subaru P Promo hBP09-010 – V Jump November 2026 (Japanese)£1.29
Hololive OFFICIAL CARD GAME FUWAMOCO P Promo hBP08-060 – V Jump August 2026 (Japanese)£1.00
Union Arena Sesshomaru 2nd Anniversary Promo UEPR/IYS-1-006 – Inuyasha (English)£11.99
MYSTERY31 / COLLECT • DISCOVER • CONNECT
READY TO FIND YOUR NEXT CARD?
New releases and older favourites, all in one collector-focused UK store.