Changes

* When played by This is a [[Alistercover card]] in the animeof ''[[Extra Pack 2012]]'', the seal removes obstuctions that would disrupt as well as ''[[Legendary Collection 3: Yugi's World]]'' and its pattern. Primarily seen in [[Deja Duel! - Part 2Legendary Collection 3: Yugi's World Mega Pack|Mega Pack]] and Flight of Terror, where the duel arena and part of the KC plane vanished, leaving Alister and Kaiba floating in mid-air.

* The geometric figure inside This seal appears in the Seal is called a artworks of "[[wikipedia:unicursal hexagram|unicursal hexagramOrichalcos Deuteros]]", "[[Orichalcos Shunoros]]", "[[Orichalcos Sword of Sealing]]", and "[[Orichalcos Tritos]]".

* The runes around the outer rim of the Seal seal are the characters written in the [[wikipedia:Enochian|Enochian]] and spell language, spelling out "OREICHALCOS" ("Oreichalcos" ) twice.** The geometric figure inside the seal is a [[wikipedia:unicursal hexagram|unicursal hexagram]]. In a ''Yu-Gi-Oh! Trading Card Game'' blog post on Konami'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> ** In the original Japanese version of the [[Yu-Gi-Oh! (anime)|''Yu-Gi-Oh!'']] 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 that to not be used by [[Dartz]] did not use), instead used by [[Rafael]].

* This card previously existed under is the only [[Upper Deck EntertainmentField Spell Card]] banner. There are that can only 15 copies of this version in existence, all in the possession of members of [[Upper Deck Entertainment]]'s R&D division and one in the hands of someone else, who used them in the Decks they played in the Orichalcos "be activated once per [[Duel the Master]]" side event at previous [[National Tournament]]s.{{fact}} The current status of these cards is unknown, as they haven't been used since [[Konami]] reclaimed distribution and organization rights.

* Before its confirmed release, this This is as the first card was among other cards that are rumored to be kept prevent the user from the everyday person. "[[Power BalanceSpecial Summon]]" is rumored to be one, as is a copy of "ing from their [[The Winged Dragon of Ra (original)|The Winged Dragon of RaExtra Deck]]" with the Hieratic text in place of the flavor text.{{fact}}

* This is the only card known to have received a printed [[Field Spell CardThe Seal of Orichalcos (mock-up)|mock-up]] that can only be activated once per Duel.

* This was is the first [[anime-only|anime-exclusive]] card to prevent the user from Special Summoning from their Extra Deck as be released a means of balancing its power. Later cards have since picked up on this, such as "[[March of the MonarchsTCG exclusive|''TCG''-exclusive]]"card.

* The third effect This card previously existed as an [[Upper Deck Entertainment promotional card]]. There are only 15 copies of the [[Upper Deck Entertainment]] version in existence, all in the possession of members of this card is identical to that Upper Deck Entertainment's R&D division, one of which was used in the Decks they played in the Orichalcos "[[Pixie RingDuel the Master]]"side event at previous [[National Tournament]]s. {{fact}} The current status of these cards is unknown, as they haven't been used since [[Konami themselves have pointed out this fact.<ref>https://yugiohblog.konami]] reclaimed distribution and organization rights.com/articles/?p=4270</ref>

* This is the first anime-original card to be released in the 's ''[[OCG]]''/''[[TCG]]'' before effects are based on its effects in the ''OCGYu-Gi-Oh!''anime. * Just as In the Orichalcos’ doubleabove-chevron pattern has 6 points to its designmentioned blog post on Konami's website, "The Seal the number of Orichalcos" has 6 sentences of the textin this card's ''TCG'' print of this card matches the number of lines and points in this seal's symbol.<ref name=firstline/> ** 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]], is a reduced version based on how [[Yami Yugi]] attempted to destroy [[Gurimo]]'s copy of its this card with "[[Dust Tornado (anime counterpart's effect to )|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. Its <ref name="blanks" />** 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. Not being allowed This effect is identical to Summon 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>** 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, [[Rex Raptor]] did [[Fusion Summon]] "[[Horned Saurus (anime)|Horned Saurus]]" while controlling this card in {{episode|Yu-Gi-Oh!|161|ref}}.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".** This card's sixth effect "once per Duel" [[condition]] is based on how a [[Duelist]] 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" />

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