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{{Infobox archetypearchseries| 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|zh_pinyin=ShuǐjīnglínSirenarmada|zh_jyutpinges_trans =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]]-[[Attribute]] and [[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 "mail". They are intimately related to the "[[Abyss-]]" archetype, as they all belong to the archetype. The [[Level ]] 3 "Mermail" monsters are all Aqua-Type [[List of female cards|female]] monsters, Level 4 "Mermail" monsters are all Fish-Type male monsters, and Level 7 "Mermail" monsters are all Sea Serpent-Type monsters, except for the Aqua "[[Mermail AbyssteusAbyssbalaen]]" and "[[Mermail AbyssbalaenAbyssteus]]", which are Aqua-Type monsters.==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]]!scope="col" | [[Type]]! Inspirationscope="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 AbyssturgeAbyssgaios|AbyssturgeAbyssgaios]] || [[Rank 7 Monster Cards|7]] || [[Aqua]] || [[wikipedia:SturgeonPoseidon|Poseidon]] / [[Poseidra, the Atlantean Dragon|SturgeonAtlantean Dragon]]

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 all share a (excluding "[[Mermail Abyssdine|Abyssdine]]" and "[[Mermail Abyssocea|Abyssocea]]") have similar [[Card effect|effectTrigger Effect]] s that are triggered when they get are [[send|sent]] to the [[Graveyard]] - they , which usually Special Summon Summons another "Mermail", letting them swarm the field. The  {| class="wikitable mw-collapsible autocollapse"! colspan = 3 | Level 4 3 Mermail Summary|-! Mermail !! Trigger Conditions (If/When this card is...) !! Triggered Effect|-| [[Mermail Abyssgunde|Abyssgunde]]| Discarded to GY| Special Summon 1 "Mermail" monsters can activate their effects when they are Normal or Special Summoned by discarding a WATER monster from your HandGY, 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 Level 3 except "Abyssgunde".|-| [[WATERMermail Abysshilde|Abysshilde]] | Sent to GY| Special Summon 1 "Mermail" monsterfrom hand, except "Abysshilde". The higher|-Level "Mermails" can | [[Special SummonMermail Abysslinde|Abysslinde]] themselves with relative-ease by sending other "Mermails" | Destroyed and sent from field to the Graveyard, which will also trigger their effects. The GY| Special Summon 1 "bossMermail" monster of the archetypefrom Deck, except "Abysslinde".|-| [[Mermail AbyssgaiosAbyssnerei‎|Abyssnerei‎]]"| Sent from field to GY| Draw 1 card, is a powerful control then discard 1 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 Most Level 4 "UmiMermail" series since one of their support cards, monsters (excluding "[[Abyss-stromMermail Abysslung|Abysslung]]", uses "Umiand " for its effect. This is also evident in the new [[Field SpellMermail Abyssmander|Abyssmander]] introduced in their debut set of ''[[Abyss Rising]]'' (which, name wise, partially refers to them as well") whose effect treats it as "Umi." The Field Spell, "[[Lemuria, the Forgotten City]]", helps them Xyz for a higher [[Rank]] [[Xyz Monsters]], 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 1 connection in which Trigger Effects that can be activated when they function properlyare Normal or Special Summoned, and their effects are generally weaker than those of the "Mermail". Another possibility for involve discarding a field spell is "[[Clear World]]". It causes the user of a water WATER monster to discard at , which will trigger the end of their phase, facilitating their above Level 3 monsters' effects while possibly hindering the other player.

Swarming and Xyz Summon are thus their main style of play, and with all the recent support for WATER{| class="wikitable mw-attribute monsters, can do a decent job of Summoning Xyz Monsters. By utilizing support they can reach from [[Rank collapsible autocollapse"! colspan = 3 Monster Cards|Rank 3]] Level 4 Mermail Summary|-! Mermail !! Trigger Conditions ("If/When this card [[Number 17: Leviathan Dragonis]]" and "...) !! Triggered Effect|-| [[Black Ray LancerMermail Abyssnose|Abyssnose]]") | Destroys an opponent's monster by battle and sends it to [[Rank 9 Monster Cardsthe GY|Rank 9]] (Discard 1 WATER monster to GY, Special Summon 1 "[[Number 9: Dyson Sphere]]Mermail"monster from Deck (in Defense). With 2 "|-| [[Mermail AbyssmegaloAbysspike|Abysspike]]" and "Lemuria" they can make Rank 9 fairly easily. Rank 4 is accessible with just the Level 4 monsters themselves. Rank 5 is created with "Lemuria" and 2 | Normal or Special Summoned| Discard 1 WATER monster to GY, add 1 Level 3 monsters, while 6 is reached with 2 Level 4 monsters and Lemuria. Rank 7 is reached plainly by 2 "Abyssmegalo" without help WATER monster from "Lemuria"Deck to hand. Rank 8 is impossible without 3 Level 5 monsters|-| [[Mermail Abyssturge|Abyssturge]]| Normal or Special Summoned| Discard 1 WATER monster to GY, 4 add 1 Level 4 monsters or 5 Level 3 Monsters, all of which seem like a waste of cards ≤3 WATER monster from GY to spend on what's currently available at this Rankhand.|}

Another strategy is to lock the attacks and effects of strong opponent monsters with The Level 7 "AbyssgaiosMermail", using his effect to negate the effect of face-up enemy monsters, as his each share two effects with a common effect can be activated in any playerpattern.{{Quote|#'s turn. To Summon him, one can Special Summon "Abyssmegalo's" effect, and then adding "You can discard [[Abyss-sphere]Discard Cost]" to the GY; Special Summon this card from your hand, letting you Summon another . When Summoned this way: You can [Effect 1]"Abyssmegalo''#''" in your next turn. This You can also be done with "Tribute [Tribute Cost]; [Mermail Abysslinde]Effect 2]"''s" effect to Summon "Abyssmegalo" from your Deck. Using }}These effects will further trigger the effect of Level 3 "LemuriaMermail" monsters' effects, and can also trigger some the ones that only trigger when sent from the swarming power of "Mermails" can help as well, needing 3 face-up Level 4 "Mermails" or 4 face-up Level 3 "Mermails"field to GY via Tributing.

{| class="Abysslindewikitable mw-collapsible autocollapse" is one of the ! colspan = 5 | Level 7 Mermail Summary|-! rowspan = 2 | Mermail !! colspan = 2 | Effect 1 Details !! colspan = 2 | Effect 2 Details|-! Discard Cost !! Effect 1 !! Tribute Cost{{efn|Tributes must be other Attack Position monsters.}} !! Effect 2|-| [[Mermail Abyssteus|Abyssteus]]| 1 WATER| Add 1 Level ≤4 "Mermail" monster from Deck to hand.| colspan = 2 | N/A|-| [[Mermail Abyssmegalo|Abyssmegalo]]| 2 WATER| Add 1 "[[Abyss-]]" Spell/Trap from Deck's most important Summoning cardsto hand. | 1 WATER| It acts as can make a second attack this turn.|-| [[Mermail Abyssleed|Abyssleed]]| 3 WATER| Add 1 "Abyss-" Spell/Trap from GY to hand.| 1 "Mermail"| Send 1 random card from the opponent's hand to the GY.|-| [[Mother GrizzlyMermail Abyssbalaen|Abyssbalaen]]| 4 "Mermail"|* It gains 500 ATK.* Target opposing cards, up to the number of "Mermail" monsters in the GY, and destroy them.| 1 " for Mermail"Mermails| It gains: " At the start of the Damage Step, if it battles a Defense Position monster: Destroy that also works upon being destroyed by card effectsmonster."|}

"Mermails" also go hand-in-hand with The boss monster of the "[[Atlantean]]" archetype since their effects are activated when sent to the graveyard to activate a WATER monsters effect. By discarding "[[Atlantean Heavy Infantry]]", "[[Atlantean Marksman]]" or "[[Atlantean DragoonsMermail Abyssgaios]]", to activate the "Mermails" effects you is a Rank 7 Xyz monster that can destroy a card on the field ("Heavy Infantry" and "Marksman") prevent Level 5 or search your Deck for any [[Sea Serpent]]-Type monster ("Dragoons")higher monsters from attacking, such as "Abyssmegalo", while also gaining and negate the "Mermail's" effectsof opposing monsters with less ATK than it.

== Story =={{See also|The "Mermail" archetype supports, and is supported by, the "[[Gagaga Academy Tospedia card storylines#Abyss-]]" archetype of Spell/Traps. The "Abyss-" Traps provide some temporary power boosts or temporary Special Summons of "Mermail"monsters. The Mermails "Abyss-" Spells meanwhile are far more interesting: all the "Abyss-" Spells, the "Abyss-scale", are [[Equip Spell]]s that can only be equipped to "Mermail" monsters, and both boost the equipped monster's attack and Atlanteansprovide 1 [[Negate|negation]] to an opponent's effect; " Edition[[Abyss-scale of the Kraken|Gagaga Academy Tospedia card storylinesKraken]]}}The "Mermails" used to peacefully live in their underwater citynegates a Monster, "[[Lemuria, Abyss-scale of the Forgotten CityMizuchi|LemuriaMizuchi]]"negates a Spell, and albeit good in "[[Abyss-scale of Cetus|Cetus]]" negates a Trap. These negations are ''mandatorily'' applied to the arts of fightingfirst applicable effect they face, and they would rarely use this abilitywill immediately send themselves to the GY after negating one effect. HoweverDespite these drawbacks, sudden changes in the earth"Abyss-scale" cards are still searchable negates can significantly disrupt the opponent's crust made plays.The main "Mermail" playstyle thus involves swarming "LemuriaMermail" rise above monsters with Special Summoning effects, gaining advantage off of their own discards and tributes, and ultimately either beatdown the opponent by summoning several Level 7 beaters or controlling the ocean, leaving field with "Abyssgaios" and the "MermailsAbyss-scale" homelessSpells. In "[[Mermail Abyssmegalo|Abyssmegalo]]" is thus vitally important for each of the three components of this strategy; it is a Level 7 beatstick that momentcan Special Summon itself, discard other "Mermail" monsters, and search "Abyss-" Spell/Traps. The "Abyss-" trap card "[[Abyss-strom]]" connects the Emperor of archetype to the "[[AtlanteanUmi (series)|Umi]]" armyseries of [[Field Spell]]s, and the archetype does thematically have its own "archetypal Umi" in the form of "[[PoseidraLemuria, the Atlantean Dragon|PoseidraForgotten City]]". Though "Lemuria" is generic and does not specifically support "Mermail", choose to let it does support the "MermailsMermail" live under his protectionplaystyle of swarming monsters and making Xyz plays, but they would have enabling Xyz Monsters of other Ranks to obey his ordersbe made. Using the great treasure of the  The "MermailsMermail", archetype synergizes especially well with the "[[Abyss-squall|Golden RingAtlantean]]" archetype, since their effects are activated when sent to control the weather, graveyard to activate a WATER monsters effect. By discarding "Poseidra[[Atlantean Heavy Infantry]]" ordered an all-out attack against their archenemies, the "[[Fire KingAtlantean Marksman]]s". Unfortunately, “Poseidra’s” body was taken over by or "[[Mermail Abyssgaios|the kingAtlantean Dragoons]] residing in ", to activate the Ring. The king eliminated "Mermails" effects you can destroy a card on the “Atlantean” army with ease. It appears that “Abysstrite” sealed field ("Heavy Infantry" and "Marksman") or search your Deck for any [[Sea Serpent]] monster ("Dragoons"), such as "Abyssmegalo", while also gaining the Ring away because the advent of the king required a sacrifice"Mermail" 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]]* [[TreatoadMarincess 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}}