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* This is a [[cover card]] of ''[[Extra Pack 2012]]'', as well as ''[[Legendary Collection 3: Yugi's World]]'' and its [[Legendary Collection 3: Yugi's World Mega Pack|Mega Pack]]. * This seal appears in the artworks of "[[Orichalcos Deuteros]]", "[[Orichalcos Shunoros]]", "[[Orichalcos Sword of Sealing]]", and "[[Orichalcos Tritos]]". * The runes around the outer rim of the seal are the characters written in the [[wikipedia:Enochian|Enochian]] language, spelling out "OREICHALCOS" ("Oreichalcos") twice.** The geometric figure inside the Seal seal is called a [[wikipedia:unicursal hexagram|unicursal hexagram]]. In a ''Yu-Gi-Oh! Trading Card Game'' blog post on Konami calls 's website, it is called a "double-[[wikipedia:chevron (insignia)|chevron]] pattern".<ref name=firstline>[https://yugiohblog.konami.com/articles/?p=4217 Yu-Gi-Oh! TRADING CARD GAME » The Seal of Orichalcos: The First Line]</ref>* The runes around * In the rim original Japanese version of the Seal are [[wikipedia:EnochianYu-Gi-Oh! (anime)|Enochian''Yu-Gi-Oh!'']] and spell out "Oreichalcos" twice.** In the Japanese anime, the text on all "[[Orichalcos]]" cards are also written entirely in Enochian runes, except for "[[Orichalcos Sword of Sealing]]" (incidentally. Coincidentally, "Orichalos Sword of Sealing" is the only "Orichalcos" card to not be used by [[Dartz]], instead used by [[Rafael]]. * This is the only [[Field Spell Card]] that can only be activated once per [[DartzDuel]]. * This is as the first card to prevent the user from [[Special Summon]]ing from their [[Extra Deck]] did not use. * This is the only card known to have received a printed [[The Seal of Orichalcos (mock-up)|mock-up]]. * This is the first [[anime-only|anime-exclusive]] card to be released a [[TCG exclusive|''TCG''-exclusive]] card. 

 * This is the only card's ''[[Field Spell CardOCG]] that can only be activated once per Duel.* This was the first card to prevent the user from Special Summoning from their ''/''[[Extra DeckTCG]] as a means of balancing '' effects are based on its power. Later cards have since picked up on this, such as "[[March of effects in the Monarchs]]"''Yu-Gi-Oh!'' anime.* This is In the first animeabove-original card to have been a [[TCG exclusive]] card.* mentioned blog post on Konami has pointed out that 's website, the number of sentences of the text on the in this card's ''[[TCG]]'' print of this card matches the number of lines and points in this cardseal's symbol.<ref name=firstline/>* This card's effects are all based on its appearances in the anime.** This card's first effect, to increase the 500 user's monster's [[ATK]] boost, by 500 is the only one effect identical to its anime counterpart.** Its This card's second effect, not preventing it from being destroyed [[once per turn]], was displayed in the anime when is based on how [[Yami Yugi|Yugi]] tried attempted to destroy [[Gurimo]]'s copy of this card with "[[Dust Tornado (anime)|Dust Tornado]]"; while Gurimo claimed the card could not be destroyed at all, since it was never attempted to be destroyed again, Konami asserts that Gurimo was intentionally deceiving Yugi.<ref name="blanks" />** Its This card's third effect, limiting your preventing the opponent's choices monster from targeting the player's monster with the lowest ATK for attacking your monstersattacks, is a twist based on its anime counterpart's effect to prevent the opponent from attacking monsters placed in the [[Spell & Trap Card Zone]] by its other effect. This effect is identical to that of "[[Pixie Ring]]", which Konami pointed out when announcing it.<ref name=blanks>[https://yugiohblog.konami.com/articles/?p=4270 Yu-Gi-Oh! TRADING CARD GAME » The Seal of Orichalcos: Filling in the Blanks]</ref>** Its This card's fourth and fifth effects, preventing the user from Summoning monsters from the Extra Deck and destroying Special Summoned monsters, is based on what happened when this card was played by Yami Yugi, destroying "[[Dark Magician Girl the Dragon Knight (anime)|Dark Magician Girl the Dragon Knight]]" and reverting it to its unfused state, and the fact that Yugi, [[Dartz]], [[Rafael]], [[Valon]], and [[Alister]] did not Fusion Summon after it was activated.<ref>[https://yugiohblog.konami.com/articles/?p=4229 Yu-Gi-Oh! TRADING CARD GAME » The Seal of Orichalcos: The Fourth & Fifth Lines]</ref> (notably*** Notably, [[Rex Raptor]] did [[Fusion Summon]] "[[Horned Saurus (anime)|Horned Saurus]]" while controlling "The Seal" this card in [[{{episode|Yu-Gi-Oh! - Episode |161|episode 161ref}}. When "[[Horned Saurus]]" was later released in the ''OCG''/''TCG'', it was given an effect to place a [[Field Spell Card]])on the field, allowing it to coexist with "The Seal of Orichalcos".** Its This card's sixth line of text, a effect "once per Duel" [[condition]], is based on the fact that how a [[Duelist in the anime ]] who uses this card once in a Duel will not be able to use it again, as either they will win the Duel and trap their opponent's soul in the card, or they will lose the Duel and their soul along with it (barring [[DRAW]]s).<ref name="blanks" />* This is the only card known to have received a printed [[The Seal of Orichalcos (mock-up)|mock-up]].* This seal appears in the artworks of "[[Orichalcos Shunoros]]", "[[Orichalcos Deuteros]]", "[[Orichalcos Tritos]]" and "[[Orichalcos Sword of Sealing]]".* This is a [[cover card]] of ''[[Extra Pack 2012]]'', as well as ''[[Legendary Collection 3: Yugi's World]]'' and its [[Legendary Collection 3: Yugi's World Mega Pack|Mega Pack]].