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
- Apr 30, 2011
- 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.
YGOPRODeck card-level price
≈$0.17 lowest USD figure across marketplaces, for no one printing
YGOPRODeck recorded a lowest available USD card-level price hint of ~$0.17 on Oct 26, 2026 (historical, not a printing-specific quote). It varies with printing, condition, edition, rarity, and grading. Check current listings before buying or selling.
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Printings & rarities
| Set | Set code | Rarity | Release | Price* | Buy |
|---|---|---|---|---|---|
| Extreme VictoryEXVC-EN002 · Common · May 6, 2011 | EXVC-EN002 | Common | May 6, 2011 | ~$0.17 1st Edition~$0.27 Unlimited | Buy on TCGplayerSearch eBay |
| Legendary Collection 5D's Mega PackLC5D-EN022 · Secret Rare · Oct 23, 2014 | LC5D-EN022 | Secret Rare | Oct 23, 2014 | ~$1.551st Edition | Buy on TCGplayerSearch eBay |
| Synchron Extreme Structure DeckSDSE-EN008 · Common · Aug 27, 2015 | SDSE-EN008 | Common | Aug 27, 2015 | ~$0.261st Edition | Buy on TCGplayerSearch eBay |
| Legendary Duelists: Synchro StormLED8-EN049 · Common · Oct 28, 2021 | LED8-EN049 | Common | Oct 28, 2021 | ~$0.231st Edition | Buy on TCGplayerSearch eBay |
*Approximate price hints, not appraisals. A price with a finish (1st Edition, Unlimited, Limited) is TCGplayer's for that set code, rarity and finish, via TCGCSV, updated Oct 26, 2026. A price marked YGOPRODeck is YGOPRODeck's figure for that printing. A dash means that printing has no price yet. Buy links are affiliate links.
Price hint history
Dated YGOPRODeck snapshots. These hints are not sales or market values.
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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 |
