Changes

{{Errata table|English

| image0 = SinisterSerpentSDDSinisterSerpent-ENSDD-NA-ScRPScR-UE.jpg| cap0 = [[SDD-002]]<br />[[Yu-Gi-Oh! Worldwide Edition: Stairway to the Destined Duel promotional cards]]

| lore1 = During your Standby Phase, if <ins>this card is</ins> in your Graveyard<ins>:</ins> '''You''' can <del>return </del> <ins>it</ins> to your hand.

| cap1 = [[LCYW-EN154]]<br />[[Legendary Collection 3 : Yugi's World MegaPack]] | lore2 = During your Standby Phase, if this card is in your <del>Graveyard</del>: You can <ins>add</ins> it to your hand<ins>, also banish 1 "Sinister Serpent" from your <del>Graveyard</del> during your opponent's next End Phase. You can only use this effect of "Sinister Serpent" once per turn</ins>.| image2 = SinisterSerpent-PGL2-EN-GUR-1E.png| cap2 = [[PGL2-EN027]]<br />[[Premium Gold: Return of the Bling]] | lore3 = During your Standby Phase, if this card is in your <ins>GY</ins>: You can <del>add</del> it to your hand, also banish 1 "Sinister Serpent" from your <ins>GY</ins> during your opponent's next End Phase. You can only use this effect of "Sinister Serpent" once per turn.| image3 = SinisterSerpent-SBAD-EN-C-1E.png| cap3 = [[SBAD-EN037]]<br />[[Speed Duel: Attack from the Deep]] | lore4 = During your Standby Phase, if this card is in your GY: You can <ins>return</ins> it to your hand, also banish 1 "Sinister Serpent" from your GY during your opponent's next End Phase. You can only use this effect of "Sinister Serpent" once per turn.| image4 = SinisterSerpent-SBC1-EN-C-1E.png| cap4 = [[SBC1-ENH09]]<br />[[Speed Duel: Streets of Battle City]]}} ==French=={{Errata table|lang=fr| lore0 = Durant votre Standby Phase, si cette carte est dans votre Cimetière<del>,</del> vous pouvez renvoyer <del>celle-ci dans</del> votre main.| image0 = SinisterSerpent-WC4-FR-PScR-UE.jpg| cap0 = [[WC4-F002]]<br />[[Yu-Gi-Oh! World Championship Tournament 2004 promotional cards]] | lore1 = Durant votre Standby Phase, si cette carte est dans votre Cimetière<ins> :</ins> vous pouvez <del><ins>la</ins> renvoyer</del> <ins>à</ins> votre main.| image1 = SinisterSerpent-LCYW-FR-ScR-1E.png| cap1 = [[LCYW-EN154]]<br />[[Legendary Collection 3: Yugi's World Mega Pack]] | lore2 = Durant votre Standby Phase, si cette carte est dans votre Cimetière : vous pouvez <ins>l'ajouter</ins> à votre main<ins>, et aussi, bannissez 1 "Serpent Sinistre" depuis votre Cimetière durant la prochaine End Phase de votre adversaire</ins>. <ins>Vous ne pouvez utiliser cet effet de "Serpent Sinistre" qu'une fois par tour.</ins>| image2 = SinisterSerpent-PGL2-FR-GUR-1E.png| cap2 = [[PGL2-EN027]]<br />[[Premium Gold: Return of the Bling]]}} ==German=={{Errata table|lang=de| lore0 = <del>In</del> deiner Standby Phase, <del>wenn</del> sich diese Karte in deinem Friedhof befindet<del>,</del> kannst <del>du</del> sie <del>zurück</del> auf deine Hand <del>nehmen</del>.| image0 = SinisterSerpent-WC4-DE-PScR-UE.png| cap0 = [[WC4-G002]]<br />[[Yu-Gi-Oh! World Championship Tournament 2004 promotional cards]] | lore1 = <ins>Während</ins> deiner Standby Phase, <ins>falls</ins> sich diese Karte in deinem Friedhof befindet<ins>: Du</ins> kannst sie <del>auf</del> '''deine''' Hand <ins><del>zurückgeben</del></ins>.| image1 = SinisterSerpent-LCYW-DE-ScR-1E.jpg| cap1 = [[LCYW-DE154]]<br />[[Legendary Collection 3: Yugi's World Mega Pack]] | lore2 = Während deiner Standby Phase, falls sich diese Karte in deinem Friedhof befindet: Du kannst sie '''deiner''' Hand <ins>hinzufügen, zusätzlich verbanne während der nächsten End Phase deines Gegners 1 „Unheil verkündende Schlange“ von deinem Friedhof</ins>. <ins>Du kannst diesen Effekt von „Unheil verkündende Schlange“ nur einmal pro Spielzug verwenden.</ins>| image2 = SinisterSerpent-PGL2-DE-GUR-1E.png| cap2 = [[PGL2-DE027]]<br />[[Premium Gold: Return of the Bling]]}} ==Italian=={{Errata table|lang=it| lore0 = Durante la tua Standby Phase, se questa carta è nel tuo Cimitero<del>,</del> puoi <del>riprendere in</del> mano <del>questa carta</del>.| image0 = SinisterSerpent-WC4-IT-PScR-UE.jpg| cap0 = [[WC4-I002]]<br />[[Yu-Gi-Oh! World Championship Tournament 2004 promotional cards]] | lore1 = Durante la tua Standby Phase, se questa carta è nel tuo Cimitero<ins>:</ins> puoi <ins><del>farla ritornare nella</del> tua</ins> mano.| image1 = SinisterSerpent-LCYW-IT-ScR-1E.jpg| cap1 = [[LCYW-IT154]]<br />[[Legendary Collection 3: Yugi's World Mega Pack]] | lore2 = Durante la tua Standby Phase, se questa carta è nel tuo Cimitero: puoi <ins>aggiungerla alla</ins> tua mano<ins>, inoltre bandisci 1 "Serpente Sinistro" dal tuo Cimitero durante la prossima End Phase del tuo avversario</ins>. <ins>Puoi utilizzare questo effetto di "Serpente Sinistro" una sola volta per turno.</ins>| image2 = SinisterSerpent-PGL2-IT-GUR-1E.png| cap2 = [[PGL2-IT027]]<br />[[Premium Gold: Return of the Bling]]}} ==Portuguese=={{Errata table|lang=pt| lore0 = Durante sua Fase de Apoio, se este card estiver em seu Cemitério: você pode <del>devolvé-lo para a</del> sua mão.| image0 = SinisterSerpent-BP02-PT-C-1E.png| cap0 = [[BP02-PT015]]<br />[[Battle Pack 2: War of the Giants]] | lore1 = Durante sua Fase de Apoio, se este card estiver em seu Cemitério: você pode <ins>adicioná-lo à</ins> sua mão <ins>e, além disso, banir 1 "Serpente Sinistra" do seu Cemitério durante a próxima Fase Final do seu oponente</ins>. <ins>Você só pode usar este efeito de "Serpente Sinistra" uma vez por turno.</ins>| image1 = SinisterSerpent-PGL2-PT-GUR-1E.png| cap1 = [[PGL2-PT027]]<br />[[Premium Gold: Return of the Bling]]}} ==Spanish=={{Errata table|lang=sp| lore0 = Durante tu Standby Phase, si esta carta está en <del>el</del> Cementerio<del>,</del> puedes devolverla a tu mano.| image0 = SinisterSerpent-TFK-SP-SR-UE.png| cap0 = [[TFK-SP001]]<br />[[Yu-Gi-Oh! The Falsebound Kingdom promotional cards]] | lore1 = Durante tu Standby Phase, si esta carta está en <ins>tu</ins> Cementerio<ins>:</ins> puedes <del>devolverla</del> a tu mano.| image1 = SinisterSerpent-LCYW-SP-ScR-1E.jpg| cap1 = [[LCYW-SP154]]<br />[[Legendary Collection 3: Yugi's World Mega Pack]] | lore2 = Durante tu Standby Phase, si esta carta está en tu Cementerio: puedes <ins>añadirla</ins> a tu mano<ins>, y además durante la próxima End Phase de tu adversario destierra 1 "Serpiente Siniestra" en tu Cementerio</ins>. <ins>Sólo puedes usar este efecto de "Serpiente Siniestra" una vez por turno.</ins>| image2 = SinisterSerpent-PGL2-SP-GUR-1E.png| cap2 = [[PGL2-SP027]]<br />[[Premium Gold: Return of the Bling]]

{{Errata table|Japaneselang=jp| lore0 = <span style><span style="color:#888">【爬虫類族・効果】</span><br />自分のスタンバイフェイズに<del>「キラー・スネーク」</del>が墓地に存在してい<del>た</del>場合、<del>「キラー・スネーク」</del>を手札に戻す<del>こと</del>ができる。</span><br /><br /><br /><hr /><P align="right"><del>{{Ruby|攻|こう}}</del> 300<br /><del>{{Ruby|守|しゅ}}</del> 250</P>

| cap0 = [[G3-02]]<br />[[GameBoy Yu-Gi-Oh! Duel Monsters PromosIII: Series 3Tri-Holy God Advent promotional cards]]

| lore1 card_type1 = 【爬虫類族<del>・</del>効果】<br />| lore1 = <del>自分のスタンバイフェイズ<ins>時</ins>に</del><ins>このカード</ins>が墓地に存在<del>してい</del><ins>る</ins>場合、<ins>このカード</ins>を手札に戻す<del><ins>事</ins>ができる</del>。<br /><br /><br /><br /><hr /><P align="right"><ins>ATK/</ins> 300 <ins>DEF/</ins> 250</P>

| lore2 card_type2 = 【爬虫類族<ins>／</ins>効果】<br />| lore2 = <ins>「キラー・スネーク」の効果は１ターンに１度しか使用できない。 ①：「キラー・スネーク」の効果は１ターンに１度しか使用できない。①：</ins>このカードが墓地に存在<ins>す</ins>る場合、<ins>自分スタンバイフェイズに発動できる。</ins>このカードを手札に戻す。 <ins>次の相手エンドフェイズに自分の墓地の「キラー・スネーク」１体を選んで除外する。</ins>| image2 = SinisterSerpent-15AX-JP-OPScR.png| cap2 = [[15AX-JPM??JPM31]]<br />[[Glory of the Duelist Road - Piece of Memory Fragments - Side: Yugi Muto]]