Koa'ki Meiru Deck (Before 28 Dec)

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 the Spell Card to the Graveyard or reveal a certain type of card from your hand and some cards even require revealing or discarding it in order to activate their effects.

There are a lot of “Koa'ki Meiru” monsters and the ones featured in the Last Main Box, Gaia Genesis, are not even half.

The one that you see here is a “Pure Koa'ki Meiru Deck”, but these monsters are usually pretty versatile because of their powerful effects and their alternative maintenance costs.

Note: :To see the latest update of Koa'ki Meiru Decklist, please click the link below:

Iron Core of Koa'ki Meiru is the main fuel for your strategies. Although it does nothing on it's own except recover itself, Iron Core of Koa'ki Meiru can be used to keep Koa'ki Meiru monsters on the field. Additionally Iron Core of Koa'ki Meiru is alro required to special summon your big boss monster Koa'ki Meiru Maximus.
Because it is such an important card for this deck, there are multiple ways for you to repeatedly add it to your hand. If Iron Core of Koa'ki Meiru is in your graveyard, you can discard 1 Koa'ki Meiru monster or skip your draw phase to add it to your hand. Koa'ki Meiru Boulder can search Iron Core of Koa'ki Meiru from your deck when he is destroyed by battle, and Core Transport Unit can search it from your deck by discarding 1 card.

A monster with powerful stats and a destruction effect that destroys 1 card your opponent controls for free once per turn. Being easy to special summon combined with the fact that there is no limit to the number of Koa'ki Meiru Maximus you can summon per turn, this monster is great for OTKing with multiple copies. The downsides are that it's summoning condition requires you to banish a key card from your hand and Maximus himself is costly to maintain on the field. Meaning that you will most likely not be able to maintain more than one Maximus if you summon multiple.
You can use Hey, Trunade! to return all set backrow to your opponent's hand and use your Maximus' effects to destroy their monsters for a game ending combo.

Since this deck has conditions for it's monsters to even stay on the field, it would make sense to use search cards to get the necessary conditions for your monsters to not self-destruct. Core Transport Unit searches your deck for Iron Core of Koa'ki Meiru for the cost of 1 hand card which helps you setup for Koa'ki Meiru Maximus or keep a Koa'ki Meiru monster alive on the field for 1 turn. Koa'ki Meiru Boulder searches your deck for Iron Core of Koa'ki Meiru or a Koa'ki Meiru monster. Searching for a monster can give you a monster to reveal during the end phase to maintain the Koa'ki Meiru monster on your field. Koa'ki Meiru Urknight can special summon a Koa'ki Meiru monster straight from your deck with no loss in advantage.

This deck could deplete your hand quickly with the retrieval effect of Iron Core of Koa'ki Meiru, Core Transport Unit's cost, and all the maintenance cost for all your monsters. Therefore some form of costless graveyard retrieval would be very welcome. Koa'ki Meiru Crusader retrieves a Koa'ki Meiru monster from your graveyard every time he destroys an opponent's monster by battle. If ever you do not need his retrieval effect, you can keep him in your hand to use as maintenance for Koa'ki Meiru Urknight with no loss in resources.

Koa'ki Meiru Sandman is a level 4 beater you want on the field for protection when you have other monsters, because of this the best way to bring him out is with Koa'ki Meiru Urknight so you would have something on the field to protect. When your opponent activates a Trap card, you can tribute Koa'ki Meiru Sandman on your field to negate that Trap card and destroy it. You can then summon another Koa'ki Meiru Sandman the next turn with Koa'ki Meiru Urknight. This is good to protect against popular trap cards like Treacherous Trap Hole, Wall of Disruption, Paleozoic Canadia, etc. To keep him on the field with no loss in resources, keep Koa'ki Meiru Boulder in your hand.

Draw Sense: Wind

User	[Skill] description
Mai Valentine	Draw Sense: Wind Can be used each time your Life Points decrease by 1500. In the Draw Phase, instead of doing a normal draw, draw a random WIND attribute monster.

This Skill gives you easy access to Koa'ki Koa'ki Meiru Maximus; once your Life Points decrease by 1500, you will be able to draw your Boss Monster as he is the only WIND monster in the deck.

Last Gamble

User	[Skill] description
Joey Wheeler	Last Gamble Can be used in your Main Phase, starting from the fifth turn. Upon activation, reduces your LP to 100 and discards 2 cards from your hand. You roll a die and draw that number of cards. This skill can only be used once per Duel.

Taking advantage of cards like Sphere Kuriboh and Treacherous Trap Hole, reaching the 5th Turn should not be a problem; at that point, the Skill will allow you, at the cost of two cards, to draw one to six new cards.

Koa'ki Meiru Urnight and Koa'ki Meiru Boulder both have the ability to thin the deck and/or add cards to your hand, so this is actually a decent Skill to pair with this deck.

• The deck focuses solely on quickly finishing off the opponent and the main Monster Card is really difficult to maintain on the field for multiple turns and easy to get rid of; if the OTK fails, there is going to be little to nothing to protect you during the opponent’s turn.

• The deck is quite prone to bricking, which definitely doesn't help the fact that it really doesn't offer much compared to any other deck in the meta.

I generally do not tend to discuss matchups when it comes to decks that aren't exactly competitively viable (yet), but I will make an exception; “Koa'ki Meiru” is not a bad archetype, it was just randomly released inside a Main Box and it was not given enough tools.

The deck mostly relies on monster effects, so Wiz, Sage Fur Hire is not exactly a problem, unless you're trying to bounce back the opponent's backrow with Hey, Trunade! or trying to recover Iron Core of Koa'ki Meiru from the Graveyard at the start of the turn.

Even with Beatdown!, getting over some of the Level 4 “Koa'ki Meiru” monsters is not easy; Dyna, Hero Fur Hire, which is now limited to one copy, and Donpa, Marksman Fur Hire are the main threats together with Treacherous Trap Hole.

Koa'ki Meiru Sandman can negate the activation of Trap Cards, of which Amazoness usually make large use or, but you need to tribute it in order to do so, so you'd obviously want to do it when you already have another monster on the field; Koa'ki Meiru Maximus can get around Amazoness Queen’s protection or just destroy Amazoness Swords Woman to avoid having to attack into it, but you are completely open during the opponent's turn and the Holy Guard variant can just banish your monsters freely without taking any damage.

If you are not running any backrow, the opponent will not have something to target with Cosmic Cyclone, so they will have generally have trouble activating their Skill, and Koa'ki Meiru Maximus can be difficult to get over, but U.A. Dreadnought Dunker and U.A. Penalty Box can rid of him with their effects.

Spellbook of Fate can banish your Boss Monster as soon as he hits the field and Silent Magician LV8 can even get over it naturally, so you are not free to destroy the Level 4 version with Maximus; in addition to this Silent Magician can negate a Spell Card per turn, which means that it can prevent you from recycling Iron Core.

Without Silent Magician, if you manage to get multiple monsters on the field with Koa'ki Meiru Urnight’s effect, the opponent will have trouble dealing with your monsters as they have naturally high ATK.

Mermail is definitely superior as an OTK Deck, so, if you go first, it's very likely that you are going to lose.

The Last Gamble Version, depending on the starting hand, may have a chance to survive and make a comeback.

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