Unknown Synchron
Tuner Effect Monster
Unknown Synchron is a Tuner Effect Monster (DARK/Machine, Level 1) with 0 ATK / 0 DEF. First printed in Extreme Victory (2011).
- Type
- Tuner Monster
- Attribute
- DARK
- Monster type
- Machine
- Level
- 1
- ATK / DEF
- 0 / 0
- Archetype
- Synchron
- Banlist
- Unlimited in the TCG, OCG, and Master Duel
- TCG release
- 2011-04-30
- Printings
- 4
Card text
If only your opponent controls a monster, you can Special Summon this card (from your hand). You can only Special Summon "Unknown Synchron" once per Duel this way.
Approximate value
≈$0.18
A rough figure from recent listings (updated 2026-09-07), not a market value or official price. It varies a lot with printing, condition, edition, rarity, and grading. Check current listings below before buying or selling.
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Printings & rarities
| Set | Set code | Rarity | Release | Price* |
|---|---|---|---|---|
| Extreme Victory | EXVC-EN002 | Common | 2011-05-06 | $1.38 |
| Legendary Collection 5D's Mega Pack | LC5D-EN022 | Secret Rare | 2014-10-23 | $0.18 |
| Synchron Extreme Structure Deck | SDSE-EN008 | Common | 2015-08-27 | $1.25 |
| Legendary Duelists: Synchro Storm | LED8-EN049 | Common | 2021-10-28 | $1.00 |
*Approximate, from recent marketplace listings, not market values.
Unknown Synchron in other languages
| Japanese | アンノウン・シンクロン |
| Korean | 언논 싱크론 |
| Chinese | 未知同步士 |
| German | Unbekanntes Synchron |
| French | Inconnu Synchronique |
| Italian | Synchron Sconosciuto |
| Spanish | Sincrón Desconocido |
| Portuguese | Sincron Desconhecido |
