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Mermail Synchro: deck recipe [Nov 2020]

Duel Links Mermail Synchro deck, Mermail Synchro in the current meta, how to use.
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update 14/11/2020

Required Card Boxes

Valiant Souls Gaia Genesis Cybernetic Rebellion Valhalla Calling Shining Hope

Example Deck

Standard Version

Mermail AbyssmegaloMermail AbyssmegaloMermail AbyssteusMermail AbyssteusMermail AbyssteusDeep Sea Diva
Deep Sea DivaDeep Sea DivaMermail AbysspikeMermail AbysspikeMermail AbysslindeMermail Abysslinde
Atlantean MarksmanAtlantean MarksmanAtlantean Heavy InfantryAtlantean Heavy InfantryAtlantean Heavy InfantryMermail Abyssgunde
Graydle Slime Jr.Graydle Slime Jr.Graydle Slime Jr.SalvageForbidden LanceForbidden Lance
Fiendish ChainFiendish ChainNeedle CeilingNeedle CeilingAbyss-sphereAbyss-sphere
Brionac, Dragon of the Ice BarrierGraydle DragonGraydle DragonCrystron AmetrixNumber 37: Hope Woven Dragon Spider SharkNumber 37: Hope Woven Dragon Spider Shark
Evigishki Merrowgeist-----

Set Skill

[Skill] descriptionUser
Territory of the Sharks
The Level of all WATER monsters you control becomes 4 until the end of the turn. This Skill can only be used once per turn and twice per Duel. This Skill can only be used if you beign the Duel with a Deck/Extra Deck that contains no monsters other than WATER monsters.
Reginald Kastle
Reginald Kastle

How to Use

Tuners

Deep Sea Diva
Deep Sea Diva
WATER Sea Serpent ★2
ATK 200 / DEF 400
Cybernetic Rebellion [UR]
When this card is Normal Summoned: You can Special Summon 1 Level 3 or lower Sea Serpent-Type monster from your Deck.

To be an effective Synchro Deck you'll need suitable Tuners. Preferably Tuners that can inherently enable synchro plays, such as Deep Sea Diva, by Special Summoning your non-Tuners. Summon Deep Sea Diva, Special Summon Atlantean Marksman then make Crystron Ametrix.

Graydle Slime Jr.
Graydle Slime Jr.
WATER Aqua ★2
ATK 0 / DEF 2000
Judgement Force [R]
When this card is Normal Summoned: You can target 1 "Graydle" monster in your Graveyard; you cannot Special Summon monsters for the rest of this turn, except WATER monsters, also Special Summon that target, then you can Special Summon 1 Aqua-Type monster with the same Level from your hand. When this card is destroyed by battle and sent to the Graveyard: You can Special Summon 1 "Graydle" monster from your Deck.

Graydle Slime Jr. can float into another copy of itself so it has the ability to keep a Tuner on the field. You can pair it with Abysspike to make a Brionac. Or more importantly, you can use Territory of the Sharks then pair Graydle Slime Jr. with any WATER monster to make Graydle Dragon. You can activate Territory of the Sharks twice per Duel, just enough to make two Graydle Dragons.

Mermail Abysslinde & Abyss-sphere

Abyss-sphere
Abyss-sphere
Continuous Trap
Cybernetic Rebellion [SR]
Special Summon 1 "Mermail" monster from your Deck. Its effects are negated. You cannot activate any Spell Cards. When this card leaves the field, destroy that monster. Destroy this card during your opponent's next End Phase after activation.

Use Abyss-sphere to Special Summon Mermail Abysslinde. If Abyss-sphere leaves the field, Abysslinde will be destroyed and it will allow you to Special Summon a “Mermail” monster from your Deck. Even if nothing happens to Abyss-sphere, during the next End Phase of your opponent’s turn after its activation, the Continuous Trap will destroy itself.

Keep in mind that, if your opponent responds to the activation of Abyss-sphere by activating Cosmic Cyclone, banishing the Continuous Trap, you don’t get to Special Summon any monster.

Mermail Abysslinde
Mermail Abysslinde
WATER Aqua ★4
ATK 1500 / DEF 1200
Cybernetic Rebellion [SR]
If this card on the field is destroyed and sent to the Graveyard: You can Special Summon 1 "Mermail" monster from your Deck, except "Mermail Abysslinde". You can only use the effect of "Mermail Abysslinde" once per turn.

Abysslinde is a good monster to Special Summon with Abyss-sphere because it lets you float into something more permanent. Instead of summoning Abyssmegalo with Abyss-sphere which will self destruct, Special Summon Abysslinde then use Abysslinde's effect to Special Summon Abyssmegalo.

You also can use Mermail Abysslinde’s effect to Special Summon Mermail Abysspike and then use Abysspike’s effect to add a Level 3 WATER monster from your Deck to your hand.

Mermail Abysspike
Mermail Abysspike
WATER Fish ★4
ATK 1600 / DEF 800
Gaia Genesis [SR]
When this card is Normal or Special Summoned: You can discard 1 WATER monster to the Graveyard; add 1 Level 3 WATER monster from your Deck to your hand. You can only use this effect of "Mermail Abysspike" once per turn.

You can summon Mermail Abysspike, discard Abyssgunde, Special Summon Mermail Abyssmegalo from your Graveyard and then tribute Abysspike to give Abyssmegalo a second attack.

The discard cost on this low-level monster is one of the more versatile ways you can activate the effect of Abyssgunde and Atlanteans. This is because Abysspike's effect also activates when Special Summoned by Abyss-sphere and Abysslinde so you can use Atlanteans' removal during the opponent's turn.

Mermail Abyssmegalo & Mermail Abyssteus

Mermail Abyssmegalo
Mermail Abyssmegalo
WATER Sea Serpent ★7
ATK 2400 / DEF 1900
Gaia Genesis [UR]
You can discard 2 other WATER monsters to the Graveyard; Special Summon this card from your hand. When you do: You can add 1 "Abyss-" Spell/Trap Card from your Deck to your hand. You can Tribute 1 other face-up Attack Position WATER monster; this card can make a second attack during each Battle Phase this turn.

You can Special Summon Mermail Abyssmegalo from your hand by discarding two WATER monsters. By discarding Atlantean Marksman, Heavy Infantry or Mermail Abyssgunde, you can get back some value from the resources you’ve invested to Summon Abyssmegalo.

When it’s Special Summoned by its own effect, Mermail Abyssmegalo allows you to add an “Abyss-” Spell/Trap Card from your Deck to your hand. Use Abyssmegalo’s effect to search Abyss-sphere.

Mermail Abyssteus
Mermail Abyssteus
WATER Aqua ★7
ATK 1700 / DEF 2400
Cybernetic Rebellion [UR]
You can discard 1 other WATER monster to the Graveyard; Special Summon this card from your hand. When you do: Add 1 Level 4 or lower "Mermail" monster from your Deck to your hand. You can only use this effect of "Mermail Abyssteus" once per turn.

Unlike Abyssmegalo, Abyssteus requires you to discard only one WATER monster in order to be Summoned and, to make it even more cost-efficient, it also allows you to add a Level 4 or lower “Mermail” monster from your Deck to your hand when it’s Summoned this way. Effectively, you summon it for no resource loss, and you can even gain advantage with the discarded monster's effect.

Special Summon

Mermail Abyssgunde
Mermail Abyssgunde
WATER Aqua
ATK 1400 / DEF 800
Cybernetic Rebellion [R]
Gaia Genesis [R] [R]
If this card is discarded to the Graveyard: You can target 1 "Mermail" monster in your Graveyard, except "Mermail Abyssgunde"; Special Summon that target. You can only use the effect of "Mermail Abyssgunde" once per turn.

Abyssgunde is fairly simple, discard her and revive a Mermail monster. Revive Abyssmegalo for a beater, or you can revive Abysspike for its Deck cycling effect.

Atlantean Monsters

Atlantean monsters are meant to be used as cost for your discard effects. When used this way their removal effects are also triggered. Atlantean Marksman is used to destroy set cards, while Heavy Infantry is used to destroy face-up cards.

Atlantean Marksman
Atlantean Marksman
WATER Sea Serpent ★3
ATK 1400 / DEF 0
Gaia Genesis [SR]
When this card inflicts battle damage to your opponent: You can Special Summon 1 Level 4 or lower "Atlantean" Sea Serpent-Type monster from your Deck, except "Atlantean Marksman". When this card is sent to the Graveyard to activate a WATER monster's effect: Target 1 Set card your opponent controls; destroy that target.
Atlantean Heavy Infantry
Atlantean Heavy Infantry
WATER Sea Serpent ★2
ATK 0 / DEF 1600
Gaia Genesis [SR]
During your Main Phase, you can Normal Summon 1 Level 4 or lower Sea Serpent-Type monster in addition to your Normal Summon/Set. (You can only gain this effect once per turn.) When this card is sent to the Graveyard to activate a WATER monster's effect: Target 1 face-up card your opponent controls; destroy that target.

Heavy Infantry's extra Normal Summon effect lets you get more monsters on board where they can be used as Synchro material. You can Normal Summon Deep Sea Diva with this effect and let Deep Sea Diva fetch an Atlantean.

Recycle

Salvage
Salvage
Normal Spell
Abyss Encounter [UR]
Target 2 WATER monsters with 1500 or less ATK in your Graveyard; add those targets to your hand.

Between your discard costs and making Synchro Summons, you'll be losing a lot of resources. Run Salvage as a way to help you get back some spent resources.

Techs

Fiendish Chain
Fiendish Chain
Continuous Trap
Selection Box Vol. 03 [UR]
Shining Hope [UR]
Activate this card by targeting 1 Effect Monster on the field; negate that face-up monster's effects, also that face-up monster cannot attack. When it is destroyed, destroy this card.

Mermails is mainly an offense type of Deck and doesn't have much in terms of effect negation. Run Fiendish Chain as a tech against a monster heavy meta. Fiendish Chain can shut down threats such as Desperado Barrel Dragon and enemies' main combos,

Needle Ceiling
Needle Ceiling
Normal Trap
Valiant Souls [UR]
When there are 4 or more monsters on the field: Destroy all face-up monsters.

Needle Ceiling offers powerful mass removal which is quite effective because almost no one puts monsters face-down nowadays. After getting rid of all enemy monsters, you can then follow up with an OTK with Abyssmegalo. Destroy your own Abysslinde with Needle Ceiling to combo into Abyssmegalo.

Extra Decks

Brionac, Dragon of the Ice Barrier
Brionac, Dragon of the Ice Barrier
WATER Sea Serpent ★6
ATK 2300 / DEF 1400
Aerial Assault [UR]
1 Tuner + 1+ non-Tuner monsters
You can discard any number of cards to the GY, then target the same number of cards your opponent controls; return those cards to the hand. You can only use this effect of "Brionac, Dragon of the Ice Barrier" once per turn.

Brionac lets you get rid of multiple enemy cards by also discarding as many cards as cost. This effect can even be used to clear your opponent's entire field. You can discard Atlantean monsters as cost for Brionac's effect for extra destructive power.

Graydle Dragon
Graydle Dragon
WATER Aqua ★8
ATK 3000 / DEF 2000
Judgement Force [R]
1 Aqua-Type Tuner + 1 or more non-Tuner monsters
When this card is Synchro Summoned: You can target cards your opponent controls, up to the number of WATER monsters used for the Synchro Summon of this card; destroy them. If this card is destroyed by battle or card effect and sent to the Graveyard: You can target 1 other WATER monster in your Graveyard; Special Summon it, but its effects are negated. You can only use each effect of "Graydle Dragon" once per turn.

Upon Normal Summoning, Graydle Dragon will allow you to destroy two enemy cards. This should be good enough to break the opponent's setup and put them in a bad spot.

Graydle Dragon's floating effect is also quite powerful, effectively letting you revive anything in this Deck, including Extra Deck monsters. If you have another copy of Graydle Dragon in the graveyard, you can choose that as revival target to have constant field presence.

Crystron Ametrix
Crystron Ametrix
WATER Machine ★5
ATK 2500 / DEF 1500
Cybernetic Rebellion [R]
1 Tuner + 1 or more non-Tuner monsters
If this card is Synchro Summoned: You can change all face-up Special Summoned monsters your opponent controls to Defense Position. If this Synchro Summoned card is destroyed by battle or card effect: You can target 1 "Crystron" monster in your Graveyard, except a Synchro Monster; Special Summon it.

The most powerful monsters are usually Special Summoned. So upon summoning Ametryx, you'll be changing the enemy boss monster to defense position. And in most cases this will allow you to attack over their weak DEF stat.

Number 37: Hope Woven Dragon Spider Shark
Number 37: Hope Woven Dragon Spider Shark
WATER Fish ★4
ATK 2600 / DEF 2100
Shark Fang [UR]
2 Level 4 WATER monsters
When any player's monster declares an attack: You can detach 1 Xyz Material from this card; all monsters your opponent currently controls lose 1000 ATK until the end of this turn. When this card is destroyed by battle or card effect and sent to the Graveyard: You can target 1 other monster in your Graveyard; Special Summon it. You can only use each effect of "Number 37: Hope Woven Dragon Spider Shark" once per turn.

Spider Shark is a powerful boss monster in many WATER Decks, especially ones that use Territory of the Sharks. The Skill makes it very easy to get Spider Shark on the field. The first effect is enough to entirely deter the opponent from attacking while Spider Shark is on the field. It also lets you beatdown enemy monsters even though your deck generally has below average ATK without complete buffs.

The floating effect is essentially a Monster Reborn. You can even revive another copy of Spider Shark and other Extra Deck monsters.

Evigishki Merrowgeist
Evigishki Merrowgeist
WATER Aqua ★4
ATK 2100 / DEF 1600
Shark Fang [R]
2 Level 4 monsters
After damage calculation, if this card destroys an opponent's monster by battle: You can detach 1 Xyz Material from this card; shuffle the destroyed monster into the Deck instead of sending it to the Graveyard.

Merrowgeist's effect can be useful to disrupt enemy decks that have a lot of graveyard recursion. But her low ATK makes it difficult for her to actually destroy monsters by battle unless Spider Shark is also on the field.

Weaknesses

  • If you’re going 2nd, your opponent can prevent you from Synchro Summoning by flipping your monsters face-down (Floodgate Trap Hole and Paleozoic Canadia), destroying them (Treacherous Trap Hole).
  • Mermails are still fragile and can get OTKed by aggressive decks. Even if you open with Abysslinde or Abyss-sphere, you are not guaranteed to survive until your next turn.

Other Cards Option

Coral Dragon
Coral Dragon
WATER Dragon ★6
ATK 2400 / DEF 500
Chronicle of Glory [UR]
1 Tuner + 1 or more non-Tuner monsters
Once per turn: You can discard 1 card, then target 1 card your opponent controls; destroy it. If this Synchro Summoned card is sent from the field to the Graveyard: You can draw 1 card. You can only use this effect of "Coral Dragon" once per turn.
Mermail Abyssturge
Mermail Abyssturge
WATER Fish ★4
ATK 1700 / DEF 1100
Gaia Genesis [R]
When this card is Normal or Special Summoned: You can discard 1 WATER monster to the Graveyard, then target 1 Level 3 or lower WATER monster in your Graveyard; add that target to your hand. You can only use the effect of "Mermail Abyssturge" once per turn.
Lappis Dragon
Lappis Dragon
WATER Sea Serpent ★5
ATK 0 / DEF 2600
Cybernetic Rebellion [N]
If this card is added from the Deck to your hand: You can reveal this card; Special Summon it. If this card is added from your Graveyard to your hand by a card effect: You can reveal this card; Special Summon this card, but banish it when it leaves the field. You can only use 1 "Lappis Dragon" effect per turn, and only once that turn.
Dragon Ice
Dragon Ice
WATER Dragon ★5
ATK 1800 / DEF 2200
Visions of Ice [SR]
When your opponent Special Summons a monster (except during the Damage Step): You can discard 1 card; Special Summon this card from your hand or Graveyard. There can only be 1 "Dragon Ice" on the field.
Moray of Greed
Moray of Greed
Normal Spell
Age of Discovery [SR]
Shuffle 2 WATER monsters from your hand into the Deck, then draw 3 cards.

Comments

DeaN
Got 2 Deep Sea Diva with just 3800 gems.
:-)
<< Anonymous(DeaN)
Nice pulls Reply
I got ammonite with 300 gems dude, but the 2nd one took me 4000 T__T

But well, 4300 gems for two UR cards is not bad at all.
<< Anonymous(DeaN)
Anonymous Reply
Deep Sea five is awesome, this deck is definitely competitive but people should only play 2 Abyssmegalo. Otherwise they will brick
<< Anonymous(DeaN)
Candend Reply
But how? You buy the 1st with real money? I'm sure you need to reset first to get 2nd copy. Because total gem you need to get URs is 10,000.
<< Anonymous(Candend)
Anonymous Reply
Deep sea diva has been hyped since her release and never did anything. There is potential but right now it's still not good.
Setoconazol
Although a fan of mermails, I have to admit it's still a pretty weak deck in the current meta... at least untill Abyssgaios arrive in the game
TeE@knop
Im ok with only 2 copies of deep sea diva.
Anonymous
Salvage is also incredibly useful in this deck.
Diva into pikeman to syncro whatever. Retrieve the two via salvage to then go into Megalo or Abyssteus.
OK
This deck made it to the TOP at the last Meta Weekly. Wow, it's definitely strong and competitive, I'm pretty sure it's tiered.
<< Anonymous(OK)
Anonymous Reply
I think u mean dark magician
Duel Links Meta
THIS DECK IS NOT ONLY FUN BUT EXTREMELY BROKEN! WHAT WAS KONAMI THINKING? SHOULD MERMAILS GET A EMERGENCY BAN? BUY NOW!
<< Anonymous(Duel Links Meta)
Anonymous Reply
Take your meds kid, this deck is not serious in the slightest
<< Anonymous
Anonymous Reply
i would say six samurai is much more broken
<< Anonymous
Anonymous Reply
guys...come on it was obviously sarcasm
<< Anonymous(Duel Links Meta)
KONAMI Reply
EHEHEHEHEHEHEHEHE
Anonymous
After seeing how it works... not impressed, sorry. Not tier 1 material. Weak to Red-Eyes, Metaphys, AG and I’d even say Spellbooks as they don’t carry any interruption.

<< Anonymous
Anonymous Reply
red eyes is ez cuz (pike, teus, megalo) + infantry= makes red eyes miss timming, spellbook is hard counter though. Metaphys if you can otk then there's no problem. AG is an even matchup or slightly in AG's favor. The deck lacked a first turn play but now thanks to abysslinde and sphere now it has a one and it can run tth so that's good.
<< Anonymous
Anonymous Reply
well tth might not be a good idea but it can run Econ instead
FRaNTiC
At the best , this deck is tier 3
Maybe with sup cards in next structure deck ir will be uaeful but i think next one will suppurt cyber dragons and cyber dragons will be next meta so if u want to waste your gems or money just go for cyber dragons im kinda sure about what im saying
<< Anonymous(FRaNTiC)
FRaNTiC Reply
It* useful* support*
<< Anonymous(FRaNTiC)
Whalordius Reply
You're funny lol, this deck can have easy first turn synchro, and I kinda wanna pair this with some... Other cards...
<< Anonymous(Whalordius)
Anonymous Reply
Easy first turn synchro but not tier 1
Anonymous
I whished this deck wasn't costing an arm and a leg
<< Anonymous
Anonymous Reply
Or heart
<< Anonymous
ValleCula Reply
I would love to make a Budget Version, but they decided to make Deep Sea Diva a UR.
<< Anonymous(ValleCula)
Anonymous Reply
No coincidence considering how powerful the card is
<< Anonymous
Anonymous Reply
Im gonna wait till they released another structure deck. Even though its p2w its still cheaper and have a potential to be splashable onto other decks.
Anonymous
I got Diva and Abyssteus within 50 packs then immediately reset the box. I don't care about Cyber Dragon, there is a reason why Diva is currently still limited in the TCG
Anonymous
I just saw YTDan stream today opening the packs and guess what, he pulls the Deep Sea Diva on the last pack of the box, THE LAST PACK of the box. Insane man
<< Anonymous
Anonymous Reply
deep sea diva has always been the last UR/Sr left in the box for me. not the last pack but in the last 10 packs.
Anonymous
Can this deck work without Abyssgigolo?

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How did you summon them? By the effect of a battlin boxer card? Maybe said effect locks you to on...
You are fired!
Bankai!
You're seriously underestimating it, lol
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