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Koa'ki Meiru: deck recipe (After 28 Dec)

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update 05/04/2019

Updated Information

  • Koaki Meiru Decklist [Post-Banlist] Updated

Overview

The “Koa'ki Meiru” archetype revolves around Iron Core of Koa'ki Meiru; the vast majority of the monsters self-destruct during the End Phase unless you send this Spell Card to the Graveyard or reveal a certain type of card from your hand.

Revolution Beginning, the 17th Main BOX, has finally given us, together with some of the monsters we were still missing, one of the best support cards this archetype has ever seen: Diamond Core of Koa'ki Meiru. Koa'ki Meiru decks are now significantly more consistent and, as a direct result, more threatening.

Note: :To see the past Koa'ki Meiru decklist, please click the link below:

Example Deck

The Tie that Binds Version

Koa'ki Meiru UrnightKoa'ki Meiru UrnightKoa'ki Meiru UrnightKoa'ki Meiru SandmanKoa'ki Meiru SandmanKoa'ki Meiru Ice
Koa'ki Meiru PrototypeKoa'ki Meiru WallKoa'ki Meiru MaximusCosmic CycloneCosmic CycloneDiamond Core of Koa'ki Meiru
Diamond Core of Koa'ki MeiruDiamond Core of Koa'ki MeiruIron Core of Koa'ki MeiruIron Core of Koa'ki MeiruPaleozoic CanadiaPaleozoic Canadia
Paleozoic CanadiaBad Aim----
[Skill] descriptionUser
The Tie that Binds
Until the end of you turn, the ATK of all face-up monsters on your field increases by the number of monsters on your field times 100. This skill can only be used once per turn.
Yusei Fudo
Yusei Fudo

Sealed Tombs Version

Koa'ki Meiru UrnightKoa'ki Meiru UrnightKoa'ki Meiru UrnightKoa'ki Meiru SandmanKoa'ki Meiru SandmanKoa'ki Meiru Ice
Koa'ki Meiru WallKoa'ki Meiru MaximusZombie WorldFire Formation - GyokkouDiamond Core of Koa'ki MeiruDiamond Core of Koa'ki Meiru
Diamond Core of Koa'ki MeiruIron Core of Koa'ki MeiruIron Core of Koa'ki MeiruPaleozoic CanadiaPaleozoic CanadiaPaleozoic Canadia
Drowning Mirror ForceDrowning Mirror Force----
[Skill] descriptionUser
Sealed Tombs
Until the end of the opponent's next turn, neither player can banish cards from the Graveyard or Special Summon monsters from the Graveyard. This skill can only be used once per Duel.
Ishizu Ishtar
Ishizu Ishtar

Spell Specialist Version

Koa'ki Meiru RooklordKoa'ki Meiru UrnightKoa'ki Meiru UrnightKoa'ki Meiru UrnightKoa'ki Meiru SandmanKoa'ki Meiru Sandman
Koa'ki Meiru IceKoa'ki Meiru WallKoa'ki Meiru MaximusCosmic CycloneGalaxy CycloneFire Formation - Gyokkou
Diamond Core of Koa'ki MeiruDiamond Core of Koa'ki MeiruDiamond Core of Koa'ki MeiruIron Core of Koa'ki MeiruIron Core of Koa'ki MeiruPaleozoic Canadia
Paleozoic CanadiaPaleozoic Canadia----
[Skill] descriptionUser
Spell Speciallist
If your Deck contains 5 or more Spell Cards with different names, you will have improved chances of having a Spell Card in your starting hand.
Yami Yugi
Yami Yugi

Core Cards

Koa'ki Meiru Maximus

Koaki Meiru Maximus
Koaki Meiru Maximus
WIND Dragon ★8
ATK 3000 / DEF 2500
Gaia Genesis [R]
This card cannot be Normal Summoned or Set. This card can only be Special Summoned by removing from play 1 "Iron Core of Koa'ki Meiru" from your hand. During each of your End Phases, destroy this card unless you send 1 "Iron Core of Koa'ki Meiru" or 1 "Koa'ki Meiru" monster from your hand to the Graveyard. Once per turn, during your Main Phase, you can select and destroy 1 card your opponent controls.

Koa'ki Meiru Sandman

Koaki Meiru Sandman
Koaki Meiru Sandman
EARTH Rock ★4
ATK 1900 / DEF 1200
Gaia Genesis [SR]
During each of your End Phases, destroy this card unless you send 1 "Iron Core of Koa'ki Meiru" from your hand to the Graveyard or reveal 1 Rock-Type monster in your hand. During either player's turn, when your opponent activates a Trap Card: You can Tribute this card; negate the activation, and if you do, destroy that card.

Koa'ki Meiru Unright

Koaki Meiru Urnight
Koaki Meiru Urnight
EARTH Beast-Warrior ★4
ATK 2000 / DEF 1500
Gaia Genesis [SR]
During each of your End Phases, destroy this card unless you send 1 "Iron Core of Koa'ki Meiru" from your hand to the Graveyard or reveal 1 Beast-Warrior-Type monster in your hand. Once per turn, you can reveal 1 "Iron Core of Koa'ki Meiru" in your hand to Special Summon 1 Level 4 or lower "Koa'ki Meiru" monster from your Deck, except "Koa'ki Meiru Urnight".

Diamond Core of Koa'ki Meiru

Diamond Core of Koaki Meiru
Diamond Core of Koaki Meiru
Normal Spell
Revolution Beginning [SR]
Add 1 "Koa'ki Meiru" card from your Deck to your hand, except "Diamond Core of Koa'ki Meiru". You can banish this card from your Graveyard; for the rest of this turn, "Koa'ki Meiru" monsters you control cannot be destroyed.

Iron Core of Koa'ki Meiru

Iron Core of Koaki Meiru
Iron Core of Koaki Meiru
Normal Spell
Gaia Genesis[N]
During your Draw Phase, if this card is in your Graveyard, you can add this card to your hand instead of drawing, and/or send 1 "Koa'ki Meiru" monster from your hand to your Graveyard to add this card to your hand.

How to Use

  • There are a lot of “Koa'ki Meiru” cards, so, naturally, there are also a lot of different decks that you can make with them, but the one that has seemingly been the most successful so far is this one.

Diamond Core of Koa'ki Meiru

Use Diamond Core to add Iron Core of Koa'ki Meiru, Koa'ki Meiru Urnight or Koa'ki Meiru Maximus from your Deck to your hand. You can’t add another Diamond Core to your hand, but there is no restriction on how many you can activate in a turn.

If all of this wasn’t enough, you can banish Diamond Core from your Graveyard to prevent all “Koa'ki Meiru” monsters you control from being destroyed this turn. You can activate this effect the same turn you activated Diamond Core and make your monsters immune to cards like Treacherous Trap Hole, Widespread Ruin and Super Rush Headlong.

Since your monsters can’t be destroyed by battle this turn, you can also safely attack monsters with the same ATK with them. Most of the times you do not want to add Koa'ki Meiru Sandman to your hand with Diamond Core because Koa'ki Meiru Urnight can Special Summon it from your Deck.

Koa'ki Meiru Maximus

As I said in the Overview, the “Koa'ki Meiru” archetype revolves around a card in particular: Iron Core of Koa'ki Meiru. Iron Core can be recycled from the Graveyard via its effect, so, even if a monster requires you to discard it, you are not going to run out of them, but the case is different with Koa'ki Meiru Maximus because this Level 8 monster can only be Special Summoned by banishing the Spell Card.

If Iron Core is banished, there aren’t many ways to retrieve it consistently. In addition to requiring you to banish Iron Core in order to be Summoned, Maximus doesn’t just ask you to reveal a card during the End Phase: you will have to discard a copy of Iron Core or a “Koa'ki Meiru” monster, otherwise it will destroy itself during the End Phase.

This deck is built to make explosive, aggressive plays, so it generally doesn’t care about maintaining this monster, but, thanks to Diamond Core, you don’t necessarily have to discard anything during the End Phase.

Once per turn, Koa'ki Meiru Maximus allows you to destroy a card your opponent controls. You can destroy a Set Spell/Trap Card or a monster and, if you have more than one Maximus on the field, you can use this effect with both of them.

Koa'ki Meiru Urnight & Koa'ki Meiru Sandman

Maximus alone isn’t enough to deal with everything your opponent has on the field and, even though it does have a lot of ATK, it’s not going to be enough for an OTK.

Once per turn, Koa'ki Meiru Urnight can Special Summon a Level 4 or lower “Koa'ki Meiru” monster from your Deck, except another Koa'ki Meiru Urnight, if you reveal an Iron Core from your hand. Use Koa'ki Meiru Urnight’s effect to Special Summon Sandman and then Special Summon Koa'ki Meiru Maximus. Now you have a board full of monsters, Maximus’ destruction effect and Sandman’s negation for a Trap Card.

Additional Notes

Skills

[Skill] descriptionUser
The Tie that Binds
Until the end of you turn, the ATK of all face-up monsters on your field increases by the number of monsters on your field times 100. This skill can only be used once per turn.
Yusei Fudo
Yusei Fudo

The Tie that Binds version of Koa'ki Meiru is the most aggressive one. This Skill allows Koa'ki Meiru Maximus to get over high ATK monsters such as Ancient Gear Reactor Dragon and Cosmo Brain without having to use its effect on them and it allows you to OTK through one Sphere Kuriboh.

[Skill] descriptionUser
Sealed Tombs
Until the end of the opponent's next turn, neither player can banish cards from the Graveyard or Special Summon monsters from the Graveyard. This skill can only be used once per Duel.
Ishizu Ishtar
Ishizu Ishtar
[Skill] descriptionUser
Spell Speciallist
If your Deck contains 5 or more Spell Cards with different names, you will have improved chances of having a Spell Card in your starting hand.
Yami Yugi
Yami Yugi

Matchups

Koa'ki Meiru Matchups

The Balance version of the deck is the most consistent one, but, since it can’t run Sphere Kuriboh or Winged Kuriboh, it’s also the easiest one to OTK on Turn 2. A Turn 1 Koa'ki Meiru Urnight into Koa'ki Meiru Wall to negate Diamond Core of Koa'ki Meiru or Hey, Trunade! and a face-down Paleozoic Canadia or Floodgate Trap Hole is the safest play this deck has, but it’s not always going to be available.

A single Sphere Kuriboh is enough to stop an OTK from the Balance version of the deck, even when the opponent has Koa'ki Meiru Urnight + Iron Core + Koa'ki Meiru Maximus.

If it opens with Winged Kuriboh or Flute of Summoning Kuriboh, the Last Gamble version of Koa'ki Meiru is usually the one with the upper hand: stalling for a few turns means that the opponent will eventually not be able to keep all of their monsters on the field, which will make it easier to OTK them after the 5th Turn.

Buster Blader Matchups

Buster Blader is one of the worst possible matchups for Koa'ki Meiru: Destruction Swordsman Fusion can get rid of Koa'ki Meiru Maximus and, if DNA Surgery in on the field together with Buster Blader, the Destruction Swordsman, you won’t be able to use Koa'ki Meiru Ice to get rid of the latter. Current versions of Buster Blader run Winged Kuriboh to stall until Last Gamble is available, which is another card that gives Koa'ki Meiru a hard time.

Geartown Turbo Matchup

This particular matchup can go both ways: if you can force your opponent to activate their Uending Nightmare, Twister or Double Cyclone with a Hey, Trunade! on Turn 2, then Maximus and Ice can get rid of Ancient Gear Reactor Dragon. Even if Ancient Gear Fortresss is on the field, Maximus can still destroy it and leave the rest to Ice, which can be searched by Diamond Core and Urnight. If your opponent is running Double Cyclone and you are running nothing that they can target during the Battle Phase, they can’t destroy their Geartown/Fortress and Summon Reactor.

Vampire Matchup

Going first, as I said, is pretty rough for this deck: it doesn’t automatically translate into a loss, but it’s certainly not an easy situation.

Cosmic Cyclone and Paleozoic Canadia are very good cards you could add to your deck to either get rid of Vampire Kingdom as soon as it hits the field or to flip Vampire Grace face-down and prevent it from activating its effect;

Treacherous Trap Hole and Sphere Kuriboh are the cards that I have chosen for the Example Deck, but any generic form of backrow is just as viable. If your opponent goes first, they will find themselves in your same situation, open to an OTK and forced to rely on their backrow, but, if they manage to survive, they will be able to use Vampire Vamp to get rid of your main monsters.

Masked HERO Matchup

Just like with Vampires, this matchup is heavily influenced by the coin toss: both decks focus on finishing off the opponent by making early, aggressive plays, so whoever goes second, will usually end up winning the duel. However, if the Koa'ki Meiru deck is not able to OTK the opponent on Turn 2, due to how fast it tends to run out of resources, it might still lose the duel.

Blue-Eyes Matchup

Blue-Eyes decks hardly run any backrow, so you shouldn’t have trouble dealing with them. Maximus has less ATK compared to a Cosmo Brain that was Special Summoned by discarding a Level 8 monster and it ties with Blue-Eyes White Dragon, but its effect and The Tie that Binds! can fix this issue. Keep in mind you can safely attack into a Blue-Eyes White Dragon with Maximus if you have used Diamond Core’s effect from the Graveyard.

Silent Spellbook Matchup

Silent Magician can negate Diamond Core of Koa'ki Meiru and, if you destroy it, your opponent will get a 3500 ATK monster on the field that Maximus won’t be able to get over naturally. Spellbook of Fate can get rid of Maximus or Urnight, depending on what your opponent finds more threatening, as soon as it hits the field, so you will have to use Hey, Trunade! before Summoning your monsters, if you have it available. On the bright side, if your opponent does not start with Silent Magician, you can instantly gain control of the field on Turn 2 by simply being able to Summon more monsters than they can banish.

Comments

Hot New Top
Anonymous
Which is better this one or the rooklord one?
<< Anonymous
Anonymous Reply
I think both are bad
Something like this (tournament decks):
https://www.duellinksmeta.com/top-decks/april-2019/koa-ki-meiru/-sem-jj-cyk/



Isaac
I find it... err... kinda 'cheesy' and dumb when people say they 'needed' to spend real cash to build this deck.

Is that some kind of joke? me and many guys I know have built this deck completely for free, (it wasn't difficult at all to begin with) since the gem drops and rewards have increased during the last months.
<< Anonymous(Isaac)
Anonymous Reply
Easy come, easy go
<< Anonymous(Isaac)
Anonymous Reply
The only cheesy decks that require cash are stuff like Geartown Turbo which mandates you buy it three times to get the materials you need. All other pack decks can be acquired via gems. Considering you can get 200 - 300 gems by leveling a character once, its super easy to grind once you have achieved some amount of momentum
<< Anonymous
Anonymous Reply
Not require cash? This deck is played with Kaibab Corp skill and prismatic/glossy Core now, do you know how many packs needed to get it? It is whale deck
<< Anonymous
Anonymous Reply
Trolling
Bloody
We need this !
<< Anonymous(Bloody)
Anonymous Reply
Might as well add Koa'ki Meiru Overload.

Rock Stun everywhere lol
<< Anonymous(Bloody)
Anonymous Reply
I would love to see Rock Stun in DL.
<< Anonymous
Anonymous Reply
Rock stun would be pretty strong but and a lot less BS than than the way Koa’ki is played right now
<< Anonymous
Anonymous Reply
Noob
Anonymous
ded
<< Anonymous
Anonymous Reply
Alive and still strong
<< Anonymous
Anonymous Reply
This deck is still alive also fellow KM duelists try Core Blast card is insane. You can go from losing with only 1 KM on field to winning just by activating that card. It doesn't specify monsters it can be either meaning you can safely clear the board of dangerous backrow or even taking out problematic Monsters.
<< Anonymous
Miz Reply
Thanks bro i will try it
Anonymous
Um update please?
Update
The freaking deck,this is not tier 2 anymore,wouldn't put it past it thou but still.Update it,3 maximus era long gone by now wth?
L
update deck pls
<< Anonymous(L)
Anonymous Reply
Replace the 2 Maximus with Rooklord and the 1 Iron Core with any powerful card.

My build is this

2 Rooklord
1 Maximus
3 Sandman
3 Urknight
1 Ice

2 Iron Core
3 Diamond Core


3 Core Reinforcement
2 Canadia
1 Core Blast
<< Anonymous(L)
Anonymous Reply
Expensive version of the deck would to be playing kaiba corp bling with a prismatic diamond core and triggering the skill with cosmic cyclone.

Expensive af and i cant afford to play it. Tilted cause i lost to 2 kaiba corp bling kokais in a row
Anonymous
First turn kill decks need limitation. Otherwise u are playing coinflip simulator. This deck is cancer
Anonymous
Hope they never limit this one
<< Anonymous(they wont limit it)
Anonymous Reply
Seriously, why would they huh? it's not even an overpowered deck. The whining of some fellas just make me cringe
<< Anonymous(they wont limit it)
Anonymous Reply
lel op
- why do you even worry? they wont.
Have they limited samurai skull or vampire grace?
<< Anonymous
Anonymous Reply
Lol
<< Anonymous
Anonymous Reply
I second the lol
Lol
This deck is barely good enough to be tier 3.
Anonymous
Post ban deck list
<< Anonymous
Just replace 2 Maximus with 2 Rooklord, and 1 Iron Core with a good spell card that's not at Limited 2 right now.

Maybe Gaia Power lol
Anonymous
If you want ANOTHER f2P DECK.
They just RELEASED LAVAL.

There is also a rumor that DINOS will be fairly competitive when Hassleberry is released. Dunno if that's true btw.

Commens and feedback

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lol, so we're getting Toon Cyber Dragon before Cyber Dragon XD Hilarious!
NO. Not again duel quest and bingo.
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