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| cut_from_names = true| image = Abysssquall-MADU-EN-VG-artwork.png| caption = "[[Mermail Abysshilde]]", "[[Mermail Abyssgunde]]" and "[[Mermail Abysslinde]]" in the artwork of "[[Abyss-squall]]".| ja_name = {{Ruby|水精鱗|マーメイル}}| romaji = Māmeiru| zh_name = 水精鱗| zh_pinyin = Shuǐjīnglín| zh_jyutping = Seoi2 zing1 leon4| fr_name = Sirènemure| fr_trans = Armed Siren| de_name = Nixenrüstung| it_name = Sirenide| ko_name = 머메일| ko_romanized = Meomeil| pt_name = Sirena| es_name pt_trans = SirenarmadaSiren|zh_namees_name =水精鱗Sirenarmada|zh_pinyines_trans =Shuǐjīnglín|zh_jyutping=Seoi2 zing1 leon4Armed Siren| sets =

* [[Battle LINK VRAINS Pack]]| korea =* [[Advanced Event Pack 2013 Vol.1]]* [[Advanced Event Pack 2013 Vol.2: War of the Giants]]* [[Spring Battle 2013 promotional cards]]| anime = [[Yu-Gi-Oh! ZEXAL]]| manga = [[Yu-Gi-Oh! D Team ZEXAL]]

 "'''Mermail'''" ({{Ruby|水精鱗|マーメイル}} ''Māmeiru'') is an [[archetype]] of [[WATER]] [[Aqua]], [[Fish]] and [[Sea Serpent]]-[[Type]] [[Monster Card|monsters]], used by [[Brooke Walker]] in the past, introduced in the ''[[Abyss Rising]]''. They These monsters are based on [[wikipedia:Mermaid|mermaids]] outfitted with armor, hence the use of "mail". They are intimately related to the "[[Abyss-]]" archetype, as they all belong to the archetype. The [[Level ]] 3 "Mermail" monsters are all [[List of female cards|female]] Aqua-Typesmonsters, Level 4 "Mermail" monsters are all male Fish-Types monsters and Level 7 "Mermail" monsters are all Sea Serpent-Typesmonsters, except for the Aqua-Types "[[Mermail AbyssteusAbyssbalaen]]" and "[[Mermail AbyssbalaenAbyssteus]]".==Design==Each "Mermail" monster is based on a real life aquatic animal. The original three female Level 3 "Mermail" monsters released in ''Abyss Rising'', "[[Mermail Abysslinde]]", "[[Mermail Abyssgunde]]", and "[[Mermail Abysshilde]]" have names coming from the Rhinemaidens (Woglinde, Wellgunde, Flosshilde) in the German opera ''[[wikipedia:Der Ring des Nibelungen|Der Ring des Nibelungen]] (The Ring of the Nibelung)'' by [[wikipedia:Richard Wagner|Richard Wagner]]. The Level 7 "Mermail" monsters (excluding "[[Mermail Abyssbalaen]])", "[[Mermail Abyssmegalo]]", "[[Mermail Abyssleed]]" and "[[Mermail Abyssteus]]" take inspiration from [[wikipedia:extinct species|extinct aquatic species]]. The Xyz Monsters, "[[Mermail Abyssgaios]]" and "[[Mermail Abysstrite]]" take inspiration from [[wikipedia:Twelve Olympians|Ancient Greek deities]].===[[Main Deck]] members==={| class="wikitablesortable"! scope="col" | Mermail !scope="col" | [[Level]]! Inspirationscope="col" | [[Type]]! scope="col" | Origin|-| [[Mermail Abyssdine|Abyssdine]] || rowspan="6" | [[Level 3 Monster Cards|3]] || rowspan="8" | [[Aqua]] || [[wikipedia:Sea angel|Sea angel]]

| [[Mermail AbyssdineAbyssgunde|AbyssdineAbyssgunde]] || Wellgunde ([[wikipedia:Sea angelRhinemaidens|Sea angelRhinemaiden]]) / [[wikipedia:Clown fish|Clown fish]]

| [[Mermail AbyssbalaenAbysshilde|AbyssbalaenAbysshilde]] || Flosshilde (Rhinemaiden) / [[wikipedia:BalaenopteraEel|BalaenopteraEel]]|- | [[Mermail Abysslinde|Abysslinde]] || Woglinde (Rhinemaiden) / [[wikipedia:Koi|Koi]]

| [[Mermail AbyssgaiosAbyssnerei‎|AbyssgaiosAbyssnerei‎]] || [[wikipedia:PoseidonNereid|PoseidonNereid]] / [[wikipedia:Coelacanth|Coelacanth]]

| [[Mermail AbyssgundeAbyssocea|AbyssgundeAbyssocea]] || [[wikipedia:Clown Oceanid|Oceanid]] / [[wikipedia:Flying fish|Clown fishFlying Fish]]

| [[Mermail AbysshildeAbyssbalaen|AbysshildeAbyssbalaen]] || [[wikipedia:Eel|Eel]]|- | [[Mermail Abyssleed|Abyssleed]] || [[wikipedia:Leedsichthys|Leedsichthys]]|- rowspan="4" | [[Mermail AbysslindeLevel 7 Monster Cards|Abysslinde7]] || [[wikipedia:KoiBalaenoptera|KoiBalaenoptera]]

| [[Mermail AbysslungAbyssteus|AbysslungAbyssteus]] || [[wikipedia:LungfishDunkleosteus|LungfishDunkleosteus]]

| [[Mermail AbyssmanderAbyssleed|AbyssmanderAbyssleed]] || rowspan="2" | [[Sea Serpent]] || [[wikipedia:SalamanderLeedsichthys|SalamanderLeedsichthys]]

| [[Mermail AbyssteusAbyssturge|AbyssteusAbyssturge]] || [[wikipedia:DunkleosteusSturgeon|DunkleosteusSturgeon]]|}===[[Extra Deck]] members==={| class="wikitable sortable"! scope="col" | Mermail! scope="col" | [[Rank]]/[[Link Rating|Link]]! scope="col" | [[Type]]! scope="col" | Origin|-| [[Mermail Abyssalacia|Abyssalacia]] || [[Link 2 Monster Cards|2]] || rowspan="2" | [[Sea Serpent]] || [[:wikipedia:Salacia (mythology)|Salacia]] / [[wikipedia:Human|Human]]|-| [[Mermail Abysstrite|Abysstrite]] || [[Rank 3 Monster Cards|3]] || [[wikipedia:Amphitrite|Amphitrite]] / [[wikipedia:Dolphin|Dolphin]]|-| [[Mermail Abyssgaios|Abyssgaios]] || [[Rank 7 Monster Cards|7]] || [[Aqua]] || [[wikipedia:Poseidon|Poseidon]] / [[Poseidra, the Atlantean Dragon|Atlantean Dragon]]|-|} == Story =={{See also|Gagaga Academy Tospedia card storylines#"The Mermails and Atlanteans" Edition|Master Guide 4 card storylines#File No. 01: The Great Battle Raging between Fire and Water in the South Seas|Master Duel card storylines#The Tribe of the Abyssal Waters}}The "Mermails" used to peacefully live in their underwater city, "[[Lemuria, the Forgotten City|Lemuria]]", and albeit good in the arts of fighting, they would rarely use this ability. However, sudden changes in the earth's crust made "Lemuria" rise above the ocean, leaving the "Mermails" homeless. In that moment, the Emperor of the "[[Atlantean]]" army, "[[Poseidra, the Atlantean Dragon|Poseidra]]", choose to let the "Mermails" live under his protection, but they would have to obey his orders. Using the great treasure of the "Mermails", the [[Abyss-squall|Golden Ring]], to control the weather, "Poseidra" ordered an all-out attack against their archenemies, the "[[Fire King]]s". Unfortunately, “Poseidra’s” body was taken over by [[Mermail Abyssgaios|the king]] residing in the Ring. The king eliminated the “Atlantean” army with ease. It appears that “Abysstrite” sealed the Ring away because the advent of the king required a sacrifice. == Playing Style ==The "Mermail" archetype focuses on discarding or tributing WATER monsters to Special Summon "Mermail" monsters and activate their effects, and triggering additional effects off of these discards or tributes to generate advantage. They secondarily focus on interacting with the "[[Abyss-]]" archetype of Spell/Trap cards to support their strategy.Most [[Level]] 3 "Mermail" monsters (excluding "[[Mermail Abyssdine|Abyssdine]]" and "[[Mermail Abyssocea|Abyssocea]]") have similar [[Trigger Effect]]s that are triggered when they are [[send|sent]] to the [[Graveyard]], which usually Special Summons another "Mermail". {| class="wikitable mw-collapsible autocollapse"! colspan = 3 | Level 3 Mermail Summary|-! Mermail !! Trigger Conditions (If/When this card is...) !! Triggered Effect|-| [[Mermail Abyssgunde|Abyssgunde]]| Discarded to GY| Special Summon 1 "Mermail" monster from GY, except "Abyssgunde".

| [[Mermail AbysstriteAbysshilde|AbysstriteAbysshilde]] |Sent to GY| Special Summon 1 "Mermail" monster from hand, except "Abysshilde".|- | [[wikipedia:AmphitriteMermail Abysslinde|AmphitriteAbysslinde]] / [[wikipedia:Dolphin| Destroyed and sent from field to GY|Dolphin]]Special Summon 1 "Mermail" monster from Deck, except "Abysslinde".

| [[Mermail AbyssturgeAbyssnerei‎|AbyssturgeAbyssnerei‎]] |Sent from field to GY| [[wikipedia:Sturgeon|Sturgeon]]Draw 1 card, then discard 1 card.

== Playing style ==[[Most Level]] 3 4 "Mermail" monsters all share a similar (excluding "[[Card effectMermail Abysslung|effectAbysslung]] when they get " and "[[sendMermail Abyssmander|sent]] to the [[GraveyardAbyssmander]] - they Special Summon another "Mermail", letting them swarm the field. The Level 4 "Mermail" monsters ) have Trigger Effects that can activate their effects be activated when they are Normal or Special Summoned by , and their effects involve discarding a WATER monster from your Hand, which will trigger the effect of the previous monster's effect, and the Level 4 monsters help to either search the Deck or Graveyard for a above Level 3 [[WATER]] monster. The higher-Level "Mermails" can [[Special Summon]] themselves with relative-ease by sending other "Mermails" to the Graveyard, which will also trigger their effects. The "boss" monster of the archetype, "[[Mermail Abyssgaios]]", is a powerful control card, with 2 effects that forces your opponent into a corner, either by preventing their most powerful monsters from attacking and/or by negating their weaker monsters' effects.

They have a small relation to the {| class="Umi" series since one of their support cards, wikitable mw-collapsible autocollapse"! colspan = 3 | Level 4 Mermail Summary|-! Mermail !! Trigger Conditions (If/When this card [[Abyss-stromis]]", uses "Umi" for its effect. This is also evident in the new ..) !! Triggered Effect|-| [[Field SpellMermail Abyssnose|Abyssnose]] introduced in their debut set of | Destroys an opponent''[[Abyss Rising]]'' (which, name wise, partially refers s monster by battle and sends it to the GY| Discard 1 WATER monster to them as well) whose effect treats it as "Umi." The Field SpellGY, Special Summon 1 "[[Lemuria, the Forgotten City]]Mermail", helps them Xyz for a higher monster from Deck (in Defense).|-| [[Rank]] [[Xyz MonstersMermail Abysspike|Abysspike]]| Normal or Special Summoned| Discard 1 WATER monster to GY, and partially supports the Summoning of "Abyssgaios". Combining the original "Umi" cards with these newer cards is not a good option since there are much better options available for this task which outclass the "Umi" cards. The "Umi" cards only have add 1 connection in which they function properly, and their effects are generally weaker than those of the "Mermail"Level 3 WATER monster from Deck to hand. Another possibility for a field spell is "|-| [[Clear WorldMermail Abyssturge|Abyssturge]]". It causes the user of a water | Normal or Special Summoned| Discard 1 WATER monster to discard at the end of their phaseGY, facilitating their effects while possibly hindering the other playeradd 1 Level ≤3 WATER monster from GY to hand.|}

Swarming and Xyz Summon are thus their main style of play, and The Level 7 "Mermail" monsters each share two effects with all the recent support for WATER-attribute monsters, can do a decent job of Summoning Xyz Monsterscommon effect pattern. By utilizing support they {{Quote|#''"You can reach from discard [[Rank 3 Monster Cards|Rank 3Discard Cost]] ("[to the GY; Special Summon this card from your hand. When Summoned this way: You can [Number 17: Leviathan Dragon]Effect 1]" and ''#''"You can Tribute [[Black Ray Lancer]Tribute Cost]") to ; [[Rank 9 Monster Cards|Rank 9]] ("[[Number 9: Dyson Sphere]]"). With Effect 2 "[[Mermail Abyssmegalo]]" and "Lemuria" they can make Rank 9 fairly easily. Rank 4 is accessible with just ''}}These effects will further trigger the Level 4 monsters themselves. Rank 5 is created with 3 "LemuriaMermail" and 2 Level 3 monsters' effects, while 6 is reached with 2 Level 4 monsters and Lemuria. Rank 7 is reached plainly by 2 "Abyssmegalo" without help can also trigger some the ones that only trigger when sent from "Lemuria". Rank 8 is impossible without 3 Level 5 monsters, 4 Level 4 monsters or 5 Level 3 Monsters, all of which seem like a waste of cards the field to spend on what's currently available at this RankGY via Tributing.

Another strategy is to lock the attacks and effects of strong opponent monsters with {| class="Abyssgaioswikitable mw-collapsible autocollapse", using his effect to negate the effect of face! colspan = 5 | Level 7 Mermail Summary|-! rowspan = 2 | Mermail !! colspan = 2 | Effect 1 Details !! colspan = 2 | Effect 2 Details|-up enemy ! Discard Cost !! Effect 1 !! Tribute Cost{{efn|Tributes must be other Attack Position monsters, as his effect can be activated in any player's turn. To Summon him, one can Special Summon }} !! Effect 2|-| [[Mermail Abyssteus|Abyssteus]]| 1 WATER| Add 1 Level ≤4 "Mermail"monster from Deck to hand.| colspan = 2 | N/A|-| [[Mermail Abyssmegalo|Abyssmegalo's" effect, and then adding ]]| 2 WATER| Add 1 "[[Abyss-sphere]]" Spell/Trap from Deck to your hand, letting you Summon another "Abyssmegalo" in your next .| 1 WATER| It can make a second attack this turn. This can also be done with "|-| [[Mermail AbysslindeAbyssleed|Abyssleed]]'s| 3 WATER| Add 1 "Abyss-" effect Spell/Trap from GY to Summon hand.| 1 "AbyssmegaloMermail" | Send 1 random card from your Deckthe opponent's hand to the GY. Using the effect of |-| [[Mermail Abyssbalaen|Abyssbalaen]]| 4 "LemuriaMermail" and |* It gains 500 ATK.* Target opposing cards, up to the swarming power number of "MermailsMermail" can help as wellmonsters in the GY, needing 3 face-up Level 4 and destroy them.| 1 "MermailsMermail" or 4 face-up Level 3 | It gains: "MermailsAt the start of the Damage Step, if it battles a Defense Position monster: Destroy that monster.".|}

"Abysslinde" is one The boss monster of the Deck's most important Summoning cards. It acts as a archetype, "[[Mother GrizzlyMermail Abyssgaios]]" for "Mermails" , is a Rank 7 Xyz monster that also works upon being destroyed by card can prevent Level 5 or higher monsters from attacking, and negate the effectsof opposing monsters with less ATK than it.

The "MermailsMermail" also go hand-in-hand with archetype supports, and is supported by, the "[[AtlanteanAbyss-]]" archetype since their effects of Spell/Traps. The "Abyss-" Traps provide some temporary power boosts or temporary Special Summons of "Mermail" monsters. The "Abyss-" Spells meanwhile are far more interesting: all the "Abyss-" Spells, the "Abyss-scale", are activated when sent [[Equip Spell]]s that can only be equipped to "Mermail" monsters, and both boost the graveyard equipped monster's attack and provide 1 [[Negate|negation]] to activate a WATER monsters an opponent's effect. By discarding ; "[[Atlantean Heavy InfantryAbyss-scale of the Kraken|Kraken]]"negates a Monster, "[[Atlantean MarksmanAbyss-scale of the Mizuchi|Mizuchi]]" or negates a Spell, and "[[Atlantean DragoonsAbyss-scale of Cetus|Cetus]]"negates a Trap. These negations are ''mandatorily'' applied to the first applicable effect they face, and they will immediately send themselves to activate the GY after negating one effect. Despite these drawbacks, the "MermailsAbyss-scale" cards are still searchable negates can significantly disrupt the opponent's plays.The main "Mermail" playstyle thus involves swarming "Mermail" monsters with Special Summoning effects you can destroy a card on , gaining advantage off of their own discards and tributes, and ultimately either beatdown the opponent by summoning several Level 7 beaters or controlling the field (with "Heavy InfantryAbyssgaios" and the "Abyss-scale"MarksmanSpells. ") or search your Deck for any [[Sea SerpentMermail Abyssmegalo|Abyssmegalo]]-Type monster ("Dragoons")is thus vitally important for each of the three components of this strategy; it is a Level 7 beatstick that can Special Summon itself, such as discard other "AbyssmegaloMermail"monsters, while also gaining the and search "Mermail'sAbyss-" effectsSpell/Traps.

== Story =={{See also|The "Abyss-" trap card "[[Gagaga Academy Tospedia card storylines#Abyss-strom]]"The Mermails and Atlanteansconnects the archetype to the " Edition[[Umi (series)|Gagaga Academy Tospedia card storylinesUmi]]" series of [[Field Spell]]}}The s, and the archetype does thematically have its own "Mermailsarchetypal Umi" used to peacefully live in their underwater city, the form of "[[Lemuria, the Forgotten City|Lemuria]]", and albeit good in the arts of fighting, they would rarely use this ability. However, sudden changes in the earth's crust made Though "Lemuria" rise above the oceanis generic and does not specifically support "Mermail", leaving it does support the "MermailsMermail" homeless. In that momentplaystyle of swarming monsters and making Xyz plays, the Emperor enabling Xyz Monsters of other Ranks to be made. The "Mermail" archetype synergizes especially well with the "[[Atlantean]]" armyarchetype, since their effects are activated when sent to the graveyard to activate a WATER monsters effect. By discarding "[[Poseidra, the Atlantean Dragon|PoseidraHeavy Infantry]]", choose to let the "Mermails[[Atlantean Marksman]]" live under his protection, but they would have to obey his orders. Using the great treasure of the "Mermailsor ", the [[Abyss-squall|Golden RingAtlantean Dragoons]]", to control activate the weather, "PoseidraMermails" ordered an all-out attack against their archenemies, effects you can destroy a card on the field ("Heavy Infantry"and "Marksman") or search your Deck for any [[Fire KingSea Serpent]]smonster ("Dragoons"), such as "Abyssmegalo". Unfortunately, “Poseidra’s” body was taken over by [[while also gaining the "Mermail Abyssgaios|the king]] residing in the Ring. The king eliminated the “Atlantean” army with ease. It appears that “Abysstrite” sealed the Ring away because the advent of the king required a sacrifice" effects.

===Recommended cards==={{Decklist|DeckRecommended cards

* [[Atlantean Heavy InfantrySilent Sea Nettle]]* [[Mermail AbyssteusCitadel Whale]]* [[Abyss SoldierSupreme Sea Mare]]* [[Abyss WarriorAqua Spirit]]* [[Ice Knight]]* [[Therion "Reaper" Fum]]* [[White Stingray]]* [[Tidal, Dragon Ruler of Waterfalls]]|tuner monsters =* [[Deep Sea Diva]]* [[Fishborg Harpooner]]* [[Fishborg Launcher]]* [[Gluttonous Reptolphin Greethys]]* [[Icejade Ran Aegirine]]|fusion monsters =* [[Elemental HERO Aqua Neos]]/[[Neo-Spacian Marine Dolphin]] (as targets for "Instant Contact")* Targets for "Ready Fusion"** [[Sea Monster of Theseus]]** [[Rare Fish]]** [[Aqua Dragon]]** [[Man-eating Black Shark]]|synchro monsters =* [[Coral Dragon]]* [[Brionac, Dragon of the Ice Barrier]]* [[Gungnir, Dragon of the Ice Barrier]]* [[Adamancipator Risen - Dragite]]* [[Icejade Gymir Aegirine]]* [[Swordsoul Supreme Sovereign - Chengying]]

** [[Toadally Awesome]]* [[Mermail AbysstriteNumber 4: Stealth Kragen]]** [[Mermail AbyssgaiosStealth Kragen Spawn]]

* [[Number 17: Leviathan Dragon]]|link monsters =* [[Number 32: Shark DrakeMermail Abyssalacia]] (use Abyssquall to Special Summon 3 Level 4 Mermails)* [[Number C32: Shark Drake VeissMistar Boy]]* [[Snowdust GiantEria the Water Charmer, Gentle]]* [[Toadally AwesomeMarincess Coral Anemone]]|normal spells =* [[Lemuria, the Forgotten CityDeep Sea Aria]]

* [[Foolish Burial]]* [[Foolish Burial Goods]]* [[Ready Fusion]]* [[Moray of Greed]]* [[Instant Contact]]|traps field spells =* [[Bubble BringerLemuria, the Forgotten City]]|normal traps =

===Weaknesses===* Cards that prevent searching or Special Summoning from the Deck, such as "[[Thunder King Rai-Oh]]" and , "[[Mistake]]" severely , or "[[Deck Lockdown]]", slows down this Deck theme the archetype significantly, as it halts all of the archetype requires significant searching effects to make combo plays and maintain their grind game.* Cards that negate card effect activations in the GY, such as "[[Debunk]]", "[[Silent Graveyard]]", "[[Necrovalley]]", "[[The End of Anubis]]"Mermail, or " monsters while also being a higher ATK than most [[Soul Drain]]", halts many of them the key GY monster effects the archetype.* Cards that banish cards sent to the GY, such as well. "[[Deck LockdownMacro Cosmos]]" and "[[Dimensional Fissure]]" , also works and stops Special Summoning prevents the archetype from activating their GY effects. It can also prevent "[[Moulinglacia the Main Deck too, but can be more easily countered so it is more useful as an early disruption tactic and Elemental Lord]]" from being Summoned.* The archetype's need for Tributediscarding-themed and/or Synchro/XYZ monster focused Decks Tributing-friendly monsters means that have no need it struggles to Special Summon from the Main Deck at allmaintain its grind game if built or played poorly.

"[[Debunk]]", "[[Forbidden Graveyard]]", "[[Necrovalley]]", "[[The End of Anubis]]" and "[[Soul Drain]]" also halts many of the key monster effects of a "Mermail" Deck as well to slow it down, but it does not affect the [[Xyz Summon]] options available unlike "Thunder King Rai-Oh". "[[Skill Drain]]" also affects the speed of this Deck and can assist in slowing it down too, but without "Debunk" or "Soul Drain" (or other similar Graveyard negation effect cards) their Graveyard activating effects are not affected and can result in its destruction.==Notes== [[Banish]] effect cards can cause havoc on "Mermail" and "Mermail"/"Abyss-" Decks because they lose their Graveyard activating effects, so "[[Macro Cosmos]]" and "[[Dimensional Fissure]]" are worth consideration. It also can prevent "[[Moulinglacia the Elemental Lord]]" from being Summoned through a lack of WATER monsters in the Graveyard. "[[Bottomless Trap Hole]]" is also a good option for removing dangerous support, such as "Moulinglacia", "[[Mermail Abyssmegalo]]" and "[[Mermail Abysslinde]]". And while "[[King Tiger Wanghu]]" can disrupt a "Mermail" or "Mermail"/"Abyss-" Deck, its continuous destruction effect will trigger their own effects normally, so cautious use is required: "[[Fossil Dyna Pachycephalo]]" the "Vanity's" monsters, "[[Vanity's Emptiness]]" and "[[Jowgen the Spiritualist]]" may be a more effective option in countering "Mermails". One major problem a "Mermail" user might face is "over-extending". Because so many "Mermail" effects rely on discarding or being discarded, a Duelist using the archetype might spend all but a couple of cards in their hand on swarming the field with monsters. Despite the many searchers of the archetype, a player might exhaust all of the options they built with a large hand and fall victim to a well-timed "[[Gorz the Emissary of Darkness]]".{{notelist}}