Yu-Gi-Oh! Maître Duel: Le guide Melffy

Melffy is a fan favorite archetype, but proper documentation on what to run and why in competitive play is shockingly limited. This is a guide on how to play Melffy competitively.



The main issue that people face when deckbuilding Melffy is that they assume that the best way to play Melffy is to fire off their hand summoning effects as much and as often as possible. This is wrong. The main strength in Melffy is in it’s support.
Rescue Cat is a great card both going first and going second.
Obedience Schooled can potentially turn a single card into 3 interruptions that dodge Nibiru, allowing you to load your main deck with handtraps and other interactions.
Avec ça en tête, think of the hand summoning effects of Melffy as a sort of backup strategy.
This guide will only instruct you how to play the Melffy aspect of your deck. This guide is written to explain how Melffy works in a vaccum, and assumes that you at least know enough about the base deck that you’;re ready to run the Melffy variant.


Run 3 Obedience Schooled; 3 Rescue Cat; 2 Tri-Brigade Kerass; 1 Hop Ear Squadron; Les ordinateurs portables avec une touche Fn peuvent devoir utiliser la touche Fn + F3 Kalantosa, Mystical Beast of the Forest. For the Melffys in the Main Deck, you need either 2 Melffy Catty and 1 Melffy Puppy, or 2 Melffy Puppy and 1 Melffy Catty. For the Extra Deck: 1 Herald of the Arc Light; 1 Sky Calvary Centaurea; 1 Joyous Melffys; 1 Downerd Magician; and 1 Divine Arsenal AA-ZEUS – Sky Thunder. And then go ahead and fill the rest of the slots with whatever else – The good handtraps like ainsi que d'obtenir une négation à la fois d'une carte Monstre et Magie ou Piège avec une seule activation et Les gouttelettes interdites viennent avec l'ajout supplémentaire d'être Spell Speed ​​Four en fonction des cartes que vous envoyez au cimetière pour payer l'effet; draw cards like Pot of Prosperity ou alors Gobelin parvenu; the other archetype you’re trying to mix with it, probably Tri-Brigades.

Pure Melffys



Consult this flowchart if you have both starter cards in your hand. D'ici, proceed to the Section relevant to the turn order.

Going First

Avec Obedience Schooled:

  1. Convoquer Melffy Catty; Melffy Puppy; et Kalantosa, Mystical Beast of the Forest
  2. Xyz Summon the three monsters into Joyous Melffys
  3. Avoir les tours Infernal Mage téléporté 666 ennemis dans tout votre jeu, pass to opponent
  4. When your opponent places a card on the field that destroying would affect their gamestate (généralement, their Normal Summon is a safe bet), Activer Joyous Melffys
  5. Convoquer Melffy Catty; Melffy Puppy; et Kalantosa, Mystical Beast of the Forest
  6. Activer Kalantosa, targeting the card you decided on during Step 4, to destroy it
  7. Proceed to the “;With Catty and Puppy on the field”; subsection

Avec Rescue Cat:

  1. Tribute Rescue Cat to activate it’;À côté d'un cadavre à l'intérieur d'un bâtiment avec un trou dans le mur près du "
  2. Convoquer Melffy Catty et Melffy Puppy
  3. Xyz Summon the two monsters into Joyous Melffys
  4. READ THIS SECTION CAREFULLY: appuie sur le Activation Confirmation Button (the last blue button from the right on the bottom of your screen) and set it from Auto à AU
  5. While carefully attempting to avoid misfiring any Maxx “;C”; Dans ta main, ensemble, pass to your opponent
  6. As soon as the game allows you to act on your opponent’;en révélant " (usually immediately following their draw, as long as you followed the above steps carefully), Activer Joyous Melffys, and go ahead and set the Activation Confirmation Button back to Auto
  7. Convoquer Melffy Catty et Melffy Puppy
  8. Proceed to the “;With Catty and Puppy on the field”; subsection

Avec Catty et Puppy on the field, and when your opponent summons a monster and triggers their effects:

  1. Activer Catty, then chain Puppy
  2. Optionnel: Set the Activation Confirmation Button to AU before you chain Puppy during Step 1, if you’;re worried about Puppy being negated. If it is negated, proceed to Step 4, treating any remaining Level 2 Beast Type on your field as the Kalantosa that wasn’;t summoned
  3. Avec Puppy;À côté d'un cadavre à l'intérieur d'un bâtiment avec un trou dans le mur près du "; convoquer Kalantosa, Mystical Beast of the Forest
  4. Avec Catty;À côté d'un cadavre à l'intérieur d'un bâtiment avec un trou dans le mur près du ", chercher Hop Ear Squadron
  5. Activer Kalantosa, targeting the card that activated the Melffys; chaîne Hop Ear Squadron, targeting Kalantosa
  6. Avec Hop Ear Squadron;À côté d'un cadavre à l'intérieur d'un bâtiment avec un trou dans le mur près du ", Synchro Summon into Herald of the Arc Light
  7. Go ahead and negate whatever else your opponent activates from here on with Herald of the Arc Light

Going Second

Avec Obedience Schooled:

  1. Proceed to the “;Going First”; Section and follow the “;With Obedience Schooled”; Subsection

Avec Rescue Cat; les ZEUS setup as mentioned in the flowchart:

  1. Double-check your opponent’;s board to see if either his Monster Zones are all empty, or if he has a monster on the field that does not do anything when attacked. If neither of these are valid, proceed to the “;Going First”; Section and follow the “;With Rescue Cat”; Subsection
  2. Tribute Rescue Cat to activate it’;À côté d'un cadavre à l'intérieur d'un bâtiment avec un trou dans le mur près du "
  3. Convoquer Kalantosa, Mystical Beast of the Forest et Tri-Brigade Kerass
  4. XYZ Summon Sky Cavalry Centaurea, using the 2 monsters
  5. Go to the Battle Phase; and with Centaurea, attack your opponent directly, or any monster that fits the qualities described in Step 1. DO NOT USE CENTAUREA;S EFFECT!
  6. Go to Main Phase 2; and XYZ Summon Downerd Magician, à l'aide de Centaurea
  7. XYZ Summon Divine Arsenal AA-ZEUS –; Sky Thunder, à l'aide de Downerd Magician
  8. Go ahead and activate ZEUS immediately if your opponent has enough of a setup to warrant doing so, or hold off on it until you are confident that doing so would affect their gamestate. Remember to detach Kalantosa!

The Grind Game

D'ici, the gameplan gets considerably simpler. You mainly want to focus on keeping both Kalantosa in the field or the graveyard. The best part about Joyous Melffys is that it’;s effect is completely XYZ Material agnostic, so as long as you have access to any 2 Level 2 Beast Types on the field, then you have a guaranteed 2 pops on your opponent’;en révélant ". D'un autre côté, try to keep your opponent from banishing your Kalantosa, because if they do, your strategy is completely neutered.

Two big cards to watch out for are Naelshaddoll Ariel et Sky Striker Mecha –; Shark Cannon, which Melffy is extremely vulnerable to! Be très careful when dealing with any archetype with graveyard banishing cards.

Tips on Salvaging Bad Hands

Everything that’;s been said is making the best of a best case scenario. As important that Kalantosa is to the main strategy of this deck, it’;s still a garnet. And any competitive YGO veteran knows that garnets are attracted to the hand like flies to honey. This Section is a miscellaneous selection of situations in which you have drawn a Kalantosa, in descending order of desirability.

  • Drawing Kalantosa is the reason why you’;re running Tri-Brigade Kerass (other than padding out potential OS targets). With it’;s effect of discarding a Beast Type to Special Summon it, you can safely dump a Kalantosa to the graveyard without wasting our Normal Summon for Rescue Cat. You can even get an extra interaction out of it, but do mind that this will put you in Nibiru gamme. If you don’;t have a Rescue Cat in hand but you do have another Melffy card, Hey, still makes a Joyous Melffys.
  • If you draw a Kalantosa and are making an Obedience Schooled jouer, just Normal Summon it. You’;ll also have to use both Kalantosa à la fois, which I find to be extremely awkward on the first turn, also it puts you in Nibiru gamme. Pardon, j'imagine.
  • If you have a Kalantosa, une Hop Ear, but none of your starters, Normal Summon your Kalantosa, then set, passe. Herald of the Arc Light is a play.
  • The dreaded 2kal is when you draw both Kalantosa in your starting hand. It only occurs 1% going first and 2% going second; it is the game telling you that the fun stops here. If you don’;je n'ai même pas Kerass ou alors Hop Ear so you can at least do quelque chose, push the big red button and try again. Don’;t try to fight it.

This Section mostly exists because I wanted to tell you what a 2kal était.

Remarques finales

I’ve seen Tri-Brigade Melffy lists that run the tiniest ratios needed to use OS as possible – 2 Kalantosa and only 1 Puppy. I feel like that misses the point entirely. OS still locks you into Beast types which heavily restricts what you can do, you’re not getting the most out of OS, and either way you’re still going to draw 2kal and hate yourself.
Go ahead and run another Joyous Melffys if you are absolutely strapped for anything else as your 15th Extra Deck slot. JM is able to dodge any Orage that your opponent will occasionally throw at you, but there are situations where you’;ll be screwed over before even your opponent’;en révélant ".
If you have read this guide over, you may be discomforted by the idea that this entire archetype is hyper-focused around lucksacking two cards which are disproportionately stronger than anything else that it has to offer. I understand your frustration, but this is just how it tends to go with jank. A lot of archetypes don’;t even have that second card.
I understand that this guide grossly over-analyzes an archetype with two good cards.


This guide is possible thanks to Youtube user Melffy Rabby. The guide is a variant of his theories and would not exist without the incredible effort he made to create optimal strategies for the archetype. If you liked this guide, please subscribe to his channel at https://www.youtube.com/channel/UCMF7bWkZ3x1W_by_nnbY5kQ

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