Unknown Synchron

The Arabic, Croatian and Greek names given are not official.

Unknown Synchron

Japanese

アンノウン・シンクロン

Rōmaji

An'noun Shinkuron

Card type	Monster
Attribute	DARK
Level	1
ATK / DEF	0 / 0
Password	15310033
Effect types	Unclassified Condition
Status	Unlimited (OCG) Unlimited (TCG)
If your opponent controls a monster and you control no monsters, you can Special Summon this card (from your hand). You can only Special Summon "Unknown Synchron" once per Duel this way.

• Yugioh-Card database #9473
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English sets

Worldwide

Release	Number	Set	Rarity
2011-05-06	EXVC-EN002	Extreme Victory	Common
2014-10-23	LC5D-EN022	Legendary Collection 5D's Mega Pack	Secret Rare
2015-08-27	SDSE-EN008	Synchron Extreme Structure Deck	Common

Search categories

Archetypes and series

Synchron

Summoning categories

Special Summons itself from your hand

Special Summon by its own condition once per Duel

Other languages

Language	Name	Card text
French	Inconnu Synchronique	Si votre adversaire contrôle un ou plusieurs monstres et que vous n'en contrôlez aucun, vous pouvez Invoquer Spécialement cette carte depuis votre main. Chaque joueur ne peut utiliser l'effet de "Unknown Synchron" qu'une fois par Duel.
German	Unbekanntes Synchron	Falls dein Gegner ein Monster kontrolliert und du keine Monster kontrollierst, kannst du diese Karte als Spezialbeschwörung (von deiner Hand) beschwören. Du kannst „Unbekanntes Synchron“ nur einmal pro Duell auf diese Art als Spezialbeschwörung beschwören.
Italian	Synchron Sconosciuto	Se il tuo avversario controlla un mostro e tu non controlli nessun mostro, puoi Evocare Specialmente questa carta (dalla tua mano). Puoi Evocare Specialmente "Synchron Sconosciuto" una sola volta per Duello in questo modo.
Portuguese	Sincron Desconhecido	Se seu oponente controlar um monstro e você não controlar nenhum monstro, você pode Invocar este card por Invocação-Especial (da sua mão). Você só pode usar este efeito de "Sincron Desconhecido" uma vez por Duelo.
Spanish	Sincrón Desconocido	Si tu adversario controla un monstruo y tú no controlas ninguno, puedes Invocar esta carta de Modo Especial (desde tu mano). Sólo puedes Invocar a "Sincrón Desconocido" de Modo Especial una vez por Duelo de esta forma.
Japanese	アンノウン・シンクロン	「アンノウン・シンクロン」の①の方法による特殊召喚はデュエル中に１度しかできない。①：相手フィールドにモンスターが存在し、自分フィールドにモンスターが存在しない場合、このカードは手札から特殊召喚できる。
	An'noun Shinkuron
Korean	언논 싱크론	상대 필드 위에 몬스터가 존재하고, 자신 필드 위에 몬스터가 존재하지 않을 경우, 이 카드는 패에서 특수 소환할 수 있다."언논 싱크론" 의 효과는 듀얼 중에 1번밖에 사용할 수 없다.

Sets in other languages

French

Release	Number	Set	French name	Rarity
2011-05-05	EXVC-FR002	Extreme Victory	Victoire Absolue	Common
2014-10-23	LC5D-FR022	Legendary Collection 5D's Mega Pack	Collection Légendaire 5D's Méga Pack	Secret Rare
2015-08-27	SDSE-FR008	Synchron Extreme Structure Deck	Synchronique Extreme Deck de Structure	Common

German

Release	Number	Set	German name	Rarity
2011-05-05	EXVC-DE002	Extreme Victory	Extreme Victory	Common
2014-10-23	LC5D-DE022	Legendary Collection 5D's Mega Pack	Legendary Collection 5D's: Mega Pack	Secret Rare
2015-08-27	SDSE-DE008	Synchron Extreme Structure Deck	Synchron Extreme Structure Deck	Common

Italian

Release	Number	Set	Italian name	Rarity
2011-05-05	EXVC-IT002	Extreme Victory	Vittoria Estrema	Common
2014-10-23	LC5D-IT022	Legendary Collection 5D's Mega Pack	Mega-Pack Collezione Leggendaria 5D's	Secret Rare
2015-08-27	SDSE-IT008	Synchron Extreme Structure Deck	Synchron Estremi Structure Deck	Common

Portuguese

Release	Number	Set	Portuguese name	Rarity
2014-10-24	LC5D-PT022	Legendary Collection 5D's Mega Pack	Coleção Lendária 5 Mega Pacote	Secret Rare
2015-08-28	SDSE-PT008	Synchron Extreme Structure Deck	Sincron Extremo Deck Estrutural	Common

Spanish

Release	Number	Set	Spanish name	Rarity
2011-05-05	EXVC-SP002	Extreme Victory	Victoria Extrema	Common
2014-10-23	LC5D-SP022	Legendary Collection 5D's Mega Pack	Colección Legendaria 5D's Mega Pack	Secret Rare
2015-08-27	SDSE-SP008	Synchron Extreme Structure Deck	Sincrón Extremo Baraja de Estructura	Common

Japanese

Release	Number	Set	Japanese name	Rarity
2011-02-11	EXVC-JP002	Extreme Victory	エクストリーム・ビクトリー	Common
2011-03-24	EXVC-JP002	Extreme Victory 2-Pack Set	ＥＸＴＲＥＭＥ ＶＩＣＴＯＲＹ（エクストリーム・ビクトリー） ２パックセット 特（とく）典（てん）カード	Normal Parallel Rare
2014-12-06	SD28-JP008	Structure Deck: Synchron Extreme	ストラクチャーデッキ －シンクロン・エクストリーム－	Common

Korean

Release	Number	Set	Korean name	Rarity
2011-06-10	EXVC-KR002	Extreme Victory	익스트림 빅토리	Common

In other media

Page	Medium	Debut date
Unknown Synchron (anime)	Anime	2011-01-19
Unknown Synchron (Duel Links)	Yu-Gi-Oh! Duel Links	2018-09-25
Unknown Synchron (Master Duel)	Yu-Gi-Oh! Master Duel	2022-01-19