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"'''Crystal Beast'''", known as "'''Gem Beast'''" ({{Ruby|宝玉獣|ほうぎょくじゅう}} ''Hōgyokujū'') in Japan, is an [[archetype]] of monsters based on gemstones and animals. They are used by [[Jesse Anderson]] in the ''[[Yu-Gi-Oh! GX]]'' anime. "[[Ultimate Crystal]]" monsters serve as their boss monsters, and they are supported by the "[[Crystal]]" and "[[Rainbow Bridge (archetype)|Rainbow Bridge]]" Spell/Trap Cards. It also contains the "[[Advanced Crystal Beast]]" sub-archetype used by Jesse Anderson while he was possessed by [[Yubel (character)|Yubel]], which features [[dark counterpart]]s of the 7 main "Crystal Beasts". 

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"Crystal Beast" Decks tend to have a wide variety of searching options for putting revolve around placing "Crystal Beast" cards on the [[field]], either Summoned as [[Monster Card|monsters]] or placed in the [[Spell & Trap Zone]] as an effect-less [[Continuous Spell Card]], and they have s to enable a couple variety of extra [[draw a card|drawing]] options to speed up the use of the Deckeffects. Because Many of these effects working in conjuction, their powerful Spell and Trap support cards rely on having many "Crystal Beast" users can wind up many cards ahead of their opponent, and the various searching options facilitate the Summoning of "Rainbow Dragon" far quicker than would otherwise be possible. The [[archetype]] also supports come-from-behind wins quite easily due to the double whammy of "[[Crystal Abundance]]" and in the [[Field Spell Card]] of the archetype& Trap Zone, such as "[[Ancient City - Rainbow Ruins]]", which gains a new effect for every and "[[Crystal Beast" Continuous Spell card you [[controlRuby Carbuncle]]" can Summon them to fill the field.

One thing that becomes apparent almost immediately is the overall age of the The archetype: Of the seven Main Deck "Crystal Beast" monster, only two manage has many cards to make help put their monsters in the cut to be rated goodSpell & Trap Zone, those two being most notably "[[Crystal Beast Sapphire Pegasus]] for being an excellent playstarter " and "[[Crystal Beast Ruby CarbuncleBond]]" which has the ability of filling your entire field with monsters with relative ease. each placing a "[[Crystal Beast Amber Mammoth]]" draw attacks to itselfmonster from the Deck in the Spell & Trap Zone, which is almost irrelevant without any protection on its own; and "[[Crystal Beast Amethyst CatGolden Rule]]" can be become placing 2 such cards while Special Summoning a laughably weak direct attacker; monster. Notably, "[[Crystal Beast Topaz Tiger]]Bond" can reach 2000 ATK via its effect search "Sapphire Pegasus", and has nothing else going subsequently Normal Summoning it will fulfill the conditions for it; and "[[Crystal Beast Emerald TortoiseBeacon]]" , which can switch your own Special Summon "Ruby Carbuncle" from the Deck, triggering its effect and resulting in 4 monsters into defense after attackingon the field. Likewise, which is supposed to protect you "Golden Rule" can Special Summon a "Ruby Carbuncle" from retaliation damage due to your opponents attack, but is ultimately uselessthe hand or GY. LastlyWhile most "Crystal Beast" monsters have no effects in the Spell & Trap Zone, "[[Crystal Beast Cobalt EagleRainbow Dragon]]" isncan Special Summon a monster from Deck by banishing itself while it't exactly s a Continuous Spell, making it an ideal card to place in the cream of the crop either, but can help recycle Spell & Trap Zone with these cards as it helps facilitate a Rank 4 Xyz Summon if placed by "Sapphire Pegasus".

The prior paragraph deals some harsh critisism to the monster line-up. HoweverUsually, the monsters play a secondary role in Deck's primary goal is to gather enough "Crystal BeastsBeast"; the real power comes from the Spell & Trap support. monsters to Summon a powerful "[[Ultimate Crystal Bond]]" is an absolutely insane +1 in card economy for monster. Once 7 "Crystal BeastsBeast"monsters with different names have been gathered, as it searches for a player can Special Summon "Crystal Beast[[Rainbow Dragon]]" monster and puts another one into the backrow. Combine this with , Tribute it to Special Summon "[[Crystal BeaconRainbow Overdragon]]" and you can summon four monsters with two cards: Play "Crystal Bond", searching for then banish "Sapphire PegasusRainbow Dragon" (as the hand card) and any other "Crystal Beast" (excluding "Ruby Carbuncle) as backrow, play "Sapphire Pegasus, searching for another non-"Ruby Carbuncle" card for the backrow, play 7 "Crystal Beacon" summoning "Ruby Carbuncle" and summon the monsters in the backrow via Beasts"Ruby Carbuncle's" effect. This is only one of the applications for these two cards and there is more to come. Special Summon "[[Ultimate Crystal AbundanceRainbow Dragon Overdrive]]" is a variant of with 11,000 ATK. "[[Soul Charge]]Overdrive's", except without effect to clear the drawback entire field as a Quick Effect and with Special Summon a neat in-build field nuke. horde of "[[Crystal Blessing]]Beast"monsters also makes it a powerful boardbreaker, disruptor and OTK enabler. "[[Ultimate Crystal PromiseMagic]]" and "[[Rare Value]]" are all situational cards, but can be considered for the deck if necessary. The aforementioned "Ancient City - Rainbow Ruinsalso advance this goal by quickly Fusion Summoning " has a plethora of effects, which bring negation, card draw and monster summoning in one neat package. Lastly, Overdragon"[[Rainbow Bridge]]" brings even more consistency by making almost every Spell/Trap card in the archetype searchable, and should always be played at maximum.

However, all of these brilliant cards do nothing if they aren't supported by a winning strategy. Unfortunately, all "Crystal Beasts" lack in the stat department and, as mentioned before, In addition to their effects will not make the opponent cower primary goal in fear. For this reason, the "Crystal Beasts" are supported by yet another small groud of monsters called Summoning "Ultimate Crystal". This group consists of four monsters: "Rainbow Dragon", the Deck also has many powerful disruption effects. "[[Rainbow Dark DragonCrystal Miracle]]"can negate any card effect, while "[[Rainbow Overdragon]]" and "[[Ultimate Crystal Rainbow Dragon OverdriveConclave]]". "Rainbow Dragon" is the original boss monster can return a card from each side of "Crystal Beasts", sports a massive 4000 ATK, can boost itself even further and gives the player the option field to reset the board. "Rainbow Dark Dragon" ishand, as disurpting the name suggests, opponent's plays while letting the dark version of player reuse the original "Rainbow Dragon" and trades the overall useful effects for an on-Summon effect that effectively makes you go all-in while only receiving ATK boosts in return. It relies heavily on the Field Spell "[[Advanced Dark]] to be summonable, as there are no Dark attribute of "Crystal BeastsSapphire Pegasus" released yet. "Rainbow Overdragon" can be summoned via "[[Ultimate Crystal MagicAbundance]]", which unlocks its effect to reset the field completely, can also act as a common trend with the most powerful cards of the archetype and thus not at all unique to it (read: not worth jumping all these hoops for). It is much easier to summon it surprise blowout card by its own effect by simply tributing an "Ultimate Crystal" monster, after wich it can reach 7000 ATK by banishing "Crystal Beast Rainbow Dragon". "Ultimate Crystal Rainbow Dragon Overdrive" is clearing the second "Ultimate Crystal" Extra Deck monster, field and comes with its own Summoning condition, which requires one more material than "Overdragon", but is overall easier to achieve than summoning "Overdragon" with "Ultimate Crystal Magic". Summoning Overdrive by its own procedure also powers it up with 7000 ATK points if 7 different "Crystal beasts were banished. Furthermore, it can tribute itself, reset swarming the field and summon back a horde of Crystal Beast monsters, making for a powerful boardbreaker and an OTK enabler.

The "Advanced Crystal Beast" line up features upgraded counter parts of the original 7 "Crystal Beast", with more archetype's swarming capabilities can also help facilitate powerful version of their effects, however, they all rely on "Advanced Dark" to stay on the field, as they immediately send themselves from the Monster Zones to the GY while "Advanced Dark" is not on the field[[Xyz Summon]]s and [[Link Summon]]s. On one hand, Since "Advanced DarkSapphire Pegasus" is highly searchable in the deck not just by staples like and "[[TerraformingCrystal Beast Cobalt Eagle|Cobalt Eagle]]", "are [[Set RotationWIND]]" and monsters, they can be used to Xyz Summon "[[MetaverseLightning Chidori]]". Furthermore, but also by the in-archetype cards "primarily consisting of [[Advanced Crystal Beast Cobalt Eagle]]" and [[Winged Beast]] monsters leads to synergies with "[[Rainbow Bridge of SalvationTri-Brigade]]"cards, and with "[[Advanced Crystal Beast Amber MammothTri-Brigade Shuraig the Ominous Omen]]" can protect searching a Beast or Winged Beast when it from destruction. On the other hand, "Advanced Dark" itself boast no noteworthy effects that makes it worth playing on its own and forms a lynchpin for the deck in that its removal will also send any ACB monsters is sent to the graveyard immediatelyGY. Finally, which a savvy opponent can exploit with Spell Destruction Quick Effects to interrupt combos on the player lack of once-per-turn. clauses on "Advanced DarkSapphire Pegasus" also turn any and "Crystal BeastsRuby Carbuncle" into DARK monsters, which does enable make them prime targets for the summon effect of "Rainbow Dark Dragon", but interferes with the summon of Extra Deck monsters like "[[Lightning ChidoriWorldsea Dragon Zealantis]]".

Furthermore, ACBs only support other ACBs with their effects, which limits their application. The reasons primary drawback to play ACBs the archetype is its reliance on having 7 different "Crystal Beast" names in a dedicated Crystal beast deck are still manifold; First and foremost, they still count as order to Summon an "Ultimate Crystal Beast" monsters for any of their support cardsmonster, notably including since besides the original aforementioned "Sapphire Pegasus" and , "Ruby Carbuncle" as well as, and most importantly, different names for the summon of the "Ultimate CrystalBeast Rainbow Dragon" monsters, thus increasing many of the different names to a total other members of 15. This means the player can run 7 different "Crystal Beasts" archetype have mediocre, outdated effects, with just both versions of "Sapphire Pegasus", "Ruby Carbuncle" and only "Cobalt Eagle", as well as having a niche use at best due to its ability to recycle a "Crystal Beast Rainbow DragonSapphire Pegasus". As a result, slimming down the number of these Decks are often forced to play suboptimal "Crystal Beasts" severely. Additionallyin order to work efficiently, even if they send themselves only at 1 copy each. Thankfully, the myriad of options to place them directly in the GY Spell & Trap Zone from the Main Monster Zone, they Deck can still be placed in the S/T zone directly prevent them from the deck and then summoned from there by becoming [[dead draw]]s. Alternatively, an "[[Advanced Ruby CarbuncleCrystal Beast]]". Even if they go immediately to variant can substitute the GYoriginal "[[Crystal Beast Amber Mammoth|Amber Mammoth]]", "[[Crystal Beast Amethyst Cat|Amethyst Cat]]", they still count as "[[Crystal Beast Topaz Tiger|Topaz Tiger]]" and "[[Crystal BeastEmerald Tortoise|Emerald Tortoise]]" names there for with the purpose of summoning "Ultimate Advanced CrystalBeast" monsters.versions of "advanced Dark will make all [[Advanced Crystal Beasts on the field have the sam AttributeBeast Sapphire Pegasus|Sapphire Pegasus]]", meaning they can be used to Link Summon "[[Curious, the Lightsworn DominionAdvanced Crystal Beast Ruby Carbuncle|Ruby Carbuncle]]", who can send and "[[Rainbow Bridge of SalvationAdvanced Crystal Beast Cobalt Eagle|Cobalt Eagle]]" from the deck to achieve the graveyard, allowing requisite 7 names at the search cost of one the three's reliance on "Crystal Beast[[Advanced Dark]]" Monster, to stay on the field as well as one field spellmonsters.

"[[Dragon Ravine]]" can be searched by "Rainbow Bridge of Salvation" and can send "Crystal Beast Rainbow Dragon" from Since the deck interactions with Monster Cards as Continuous Spells are not always obvious to the graveyardrecognize, to be used for the summon of any of here are some helpful tips regarding the issue:* "Ultimate CrystalBeast" Monsters. support cards such as "[[Vaylantz World - Konig Wissen]]Crystal Beacon" and [[Vaylantz World - Shinra Bansho]] also work well witht he play staly of the deck, with "Shinrabansho" being able to special summon only require "Crystal Beast" Monsters from cards in the [[Spell/& Trap Zone while "Koenig Wissen" is active]], not Continuous Spells specifically, thus triggering the effects of Carbuncle and Pegasus. Being capable of swarming the field with whatever monsters are available is considered a good thing. Any "Crystal Beast" monster that would have been ineffective without further plays so they can now be used for even if they're treated as [[Link SummonEquip Card]]s. The aforementioned combo of "Crystal Bond" and "Crystal Beacon" or "Advanced Ruby Carbuncle" allows for the summoning of most viable Link-4 monsters, from an effect like "[[Saryuja Skull DreadDestiny HERO - Plasma]]" or "even as [[Borrelsword DragonContinuous Trap Card]]"; s by the first one getting even better, since choosing four different monsters with the combo is incredibly easy and triggers all effect of "Saryuja Skull Dread's" effects."Crystal Beasts" also make for excellent Xyz material, as almost all members are either Level 4 or 3, giving access to the Ranks 4 and 3 toolboxes. "Sapphire Pegasus" and "Cobalt Eagle" being level 4 [[WINDPsychic Megacyber]] monsters also enables access to Xyz Monsters such as "Lightning Chidori", "Pegasus", "Mammoth" and "Tiger" also being level 4 beast type monsters also open up another set of specific Rank 4 monsters. * If running "Advanced Dark", this can allow Xyz plays requiring DARK monsters, a card such as "[[Raider's KnightMacro Cosmos]]" (which can then Summon "is preventing cards from reaching the [[Arc Rebellion Xyz DragonGraveyard]], this will NOT prevent " Crystal Beasts" from using their effects to place themselves in the Spell & Trap Zone, as a finisher)they would never hit the Graveyard in the first place. Primarily consisting of [[Beast]] and [[Winged Beast]]-type monsters also makes them lend themselves to being integrated with the * While "[[Tri-BrigadeDimensional Fissure]]" archetypeis active, which similarly focus on consistency, swarming and cycling through main deck monsters to fill "Crystal Beasts" in the Spell & Trap Zones that are removed from the GY to summon their boss monster field by cards like "[[Tri-Brigade Shuraig the Ominous OmenRare Value]]" which can search a Beast, Beast-Warrior or Winged Beast type monster, adding to the deck's consistency."[[NemesesMystical Space Typhoon]]" monsters Special Summon themselves by returning banished monsters will be sent to the deckGraveyard, which offers a great way to recycle "Crystal Beast Rainbow Dragon" while offering extra bodies to perform Extra Deck summons with. "[[Nemeses Corridor]]" in particular is another Level 4 not [[WINDbanish]] attribute monstered.

===Techs===* Since "[[Rainbow Bridge of Salvation]]" can search any [[Field Spell Card]], the following cards have some synergy with the Deck:** "[[Duel Academy (card)|Duel Academy]]" has a few utility effects. Many "Crystal Beast" monsters are [[Beast]], enabling its first effect to destroy a card after one of the archetype's disruptive Traps resolves, and "Ruby Carbuncle" is [[Fairy]], enabling its third effect to give monsters a permanent ATK boost.** "[[Dragon Ravine]]" can send "Crystal Beast Rainbow Dragon" to the GY to help fulfill the Summoning condition for "Ultimate Crystal" monsters.** "[[Mound of the Bound Creator]]" can help protect "Ultimate Crystal" monsters.** "[[Pressured Planet Wraitsoth]]" can search "[[Kashtira Fenrir]]", which in addition to being generically useful due to its banish effect, searches "[[Kashtira Riseheart]]" to enable the Xyz Summon of "[[Mecha Phantom Beast Dracossack]]", whose Tokens can be used to Link Summon "[[Cherubini, Ebon Angel of the Burning Abyss]]" to send "Ruby Carbuncle" to the GY for use with "Golden Rule". ("Riseheart" must be Normal Summoned in this case, since its Special Summon effect will prevent the player from Link Summoning.)** "[[Vaylantz World - Shinra Bansho]]" can act as an additional Special Summon of a "Crystal Beast" monster in the Spell & Trap Zone.* "[[Noble Knight's Shield-Bearer]]" is able to search either version of "Sapphire Pegasus" and is itself searchable by "[[Reinforcement of the Army]] "" and "[[Heritage of the Chalice]]". It can also search "[[Dynatherium]] as an extra level 4 WIND monster, or "[[Hop Ear Squadron]]", which can synchro summon Synchro Summon "[[Vulcan the Divine]]" during the opponents turn as a disruptive play. "Heritage of the Chalice" can also search [["Infernoble Arms - Hauteclere"]] which can quickly OTK the opponent if equipped to any of the deck's boss monsters or "[[Rainbow Neos]]".* "[[Nemeses]]" monsters Special Summon themselves by returning banished monsters to the Deck, which offers a great way to recycle "Crystal Beast Rainbow Dragon" while offering extra bodies to perform Extra Deck Summons with. "[[Nemeses Corridor]]" in particular is another Level 4 WIND monster for "Lightning Chidori".

* [[Curious, the Lightsworn DominionCross-Sheep]]

|normal spells =* [[Advanced Dark]]* [[Ancient City - Rainbow Ruins]]* [[Awakening of the Crystal Ultimates]]

* [[Terraforming]]* [[Vaylantz World - Konig Wissen]]* [[Vaylantz World - Shinra BanshoMaterialization]]|normal traps =

* Cards like "[[Banisher of the Light]]", "[[Dimensional Fissure]]", "[[Masked HERO Dark Law]]" and "[[Macro Cosmos]] " can cripple this Deck since you can't summon prevent "[[Rainbow Dragon]]" with from being Summoned by preventing "Crystal Beasts" from entering the GY. ==Trivia==* In the English dub, each of the "Crystal Beast" monsters, except "Ruby Carbuncle", imitate the voice of a real-life movie celebrity.** "Amber Mammoth" - [[wikipedia:Arnold Schwarzenegger|Arnold Schwarzenegger]]** "Amethyst Cat" - [[wikipedia:Eartha Kitt|Eartha Kitt]]** "Cobalt Eagle" - [[banishwikipedia:Don Adams|Don Adams]]ed Crystal Beasts, albeit they're easily counterable with ** "Emerald Tortoise"- [[Imperial Iron Wallwikipedia:Woody Allen|Woody Allen]]** " and Sapphire Pegasus"- [[Chaos Hunterwikipedia:Christopher Lloyd|Christopher Lloyd]]** "Topaz Tiger". - [[wikipedia:Sean Connery|Sean Connery]]