Pure Mekk-Knight [2020 OCG MR4 / MR5]

Deck Information
Deck Type: Meta Decks
Deck Master: Mekk-Knight Purple Nightfall
Submission Date: February 19th 2020
Author: Feltro
YGOPRODeck File Download

I hope I got your attention with the deck summary!

This is a pure Mekk-Knight deck with some situation-depending monsters in the Extra Deck.

I highly recommend to take a few minutes to read this if you're new to Mekk-Knights.


This deck is strongly depending on how many cards are on the opponent's side of the field. The basic Gameplay is to special summon all monsters, except for Mekk-Knight Orcust Girsu and Ash-Blossom (if needed). You have the best chances to win if your opponent starts the first turn of the duel.

As you can see I'm a big fan of control cards such like: Kaiju's and Mind Control. Of course you can extend the deck to your play style, but I think adding more cards that will counter your opponent will also brick yourself. The Sidedeck includes what's playable and reliable. I wouldn't really recommend to go over 40 (max. 45) cards.


First of all: place any of your Spell, Traps face-down in columns your opponent also occupied one place so you can start special summoning. Watch out what to place, could happen that your opponent activates a Mystical Space Typhoon or Twin Twister and that could interrupt your combo because your spells are also important.

Keep in mind: The Quick-Spell World Legacy's Memory can't be activated the turn you set it and is also your only summoning restriction card! I would recommend to avoid playing it early in your turn and keep it as last resort, either as protection wall for the opponent's round or the last summon to get your Link monster out.

The basic starter includes getting a Mekk-Knight Purple Nightfall out. It's basically your deck search and hand extender. If you can play him in your turn, activate his effect and banish himself, so you can keep him for your next round and just search for whatever you need, I would also recommend to search Mekk-Knight Blue Sky because he's your second "extender monster" in the Main Deck.

If you don't have him in the hand try getting out an Mekk-Knight Blue Sky or Mekk-Knight of the Morning Star.

Mekk-Knight Indigo Eclipse is basically a free special summon and in mid-game your protection and negation (more on this later), beside to Purple Nightfall (protection). Summon him and move him into another Main Monster Zone (MMZ) you can't special summon right now into it (e.g. no cards in the column) to make space for another special summon from your hand.

If summoning Mekk-Knight Blue Sky from your hand, by it's own effect, you should have in mind a priority order on what to search (effect), depending on your available (in hand and on the field) cards in that moment and the quantity of searchable cards . A few examples on priority search, orderer from 1-3 cards searchable:

  • Blue Sky is the only monster you have available right now? Purple Nightfall, Indigo Eclipse, Orcust Girsu.
  • Added Blue Sky, due to Purple Nightfall's effect? Indigo Eclipse, Orcust Girsu, other Mekk-Knight depending on Board constellation.
  • Missing only a normal summon? Orcust Girsu, Purple Nightfall , Indigo Eclipse (Purple and Indigo are for your next turn).

Mekk-Knight Red Moon, Mekk-Knight Yellow Star, Mekk-Knight Green Horizon and Mekk-Knight Orange Sunset are situation depending to activate their effects. Don't be scared to use Red Moon's and Yellow Star's effects, just keep in mind you can only return 2 of your banished cards, so again I would recommend a priority order what to banish to: If you are early in the game and don't have a big quantity on what to banish go with this priority order (first is less in value): Orange Sunset, Green Horizon, Red Moon, Blue Sky, Yellow Star, Orcust Girsu, Purple Nightfall, Indigo Eclipse. 

After playing for a while you'll either understand the whole priority listing or do one on your own experience/game style.

Lib the World Keymaster should be if possible your first link summon. Keep in mind you can only summon her if a World Legacy card is in your GY. I recommend to summon her after summoning Orcust Girsu (send 1 World Legacy - "World Crown" from your deck to the GY). Depending on your opportunities either set a negation Spell/Trap ( World Legacy Key, World Legacy Whispers, World Legacy's Secret ) or a Spell that allows you to special summon ( World Legacy's Memory, World Legacy Succession ).

Your goal should always be to end your turn with at least 1 negation ( I recommend World Legacy's Secret because it's the monster negation and you can special summon Indigo Eclipse from your GY after wasting him for a Link summon ), 1 Mekk-Knight of the Morning Star and an banished Mekk-Knight Purple Nightfall. Everything that exceeds this is even better. If you succesfully reached this constellation on your side of the board you're already good to go, just repeat the process until you have 1 Mekk-Knight Avramax, 1 Mekk-Knight of the Morning Star and in every other column a Mekk-Knight and all 3 of your negation-spell/traps out.

Good to know:

Every Mekk-Knight can only be summoned once per Turn from the hand (hard OpT).

If using World Legacy's Memory and you haven't already played a Purple Nightfall, special summon him and use his effect on himself (decreases the chance to end up with 2 copies of him in your hand and only be able to special summon 1).

World Legacy's Memory restricts you from summoning anything else then Mekk-Knights after activating it!

Indigo Eclipse's effect is a Quick Effect Spell Speed 2. You can react to every card except for restrictions and Counter Traps to move one of your Mekk-Knights into another Column to prevent the resolve of an effect. Example: You posses World Legacy Whisper (Spell negation) and Indigo Eclipse in the MMZ next to your GY (first from right from your POV). Your Opponent activates Trade-In in the mid column. You could chain Indigo Eclipse's effect to target itself and move it into the mid column. The effect of Trade-In won't resolve.

World Legacy Succession is your second Monster Reborn. Keep in mind that World Legacy's Secret only allows you to special summon a Lv5 or higher monster from your GY. So beside Monster Reborn, World Legacy Succession is your only way to special summon a Link/XYZ monster from your GY.

Link summoning  Knightmare Unicorn with Lib the World Keymaster and activating Knightmare Unicorn's effect if summoned allows you to chain Lib's effect. In summary you can shuffle 2 cards from the field into the deck. Pay attention on your chain activation, because if your opponent can negate one of the effect's that resolved it shouldn't be Lib's (doesn't target).

Kaiju's supposed to get rid of annoying monsters and change the board constellation! If you still have a Mekk-Knight in your hand you could possibly summon but there isn't any MMZ with 2 occupied card slots in the same column, special summon the Kaiju to your opponent's side of the field to your advantage.

Toggle Deck List
MonsterGameciel, the Sea Turtle Kaiju x2
Mekk-Knight Indigo Eclipse x2
Mekk-Knight Purple Nightfall x3
Mekk-Knight Red Moon x2
Mekk-Knight Yellow Star x2
Mekk-Knight Green Horizon x2
Mekk-Knight Orange Sunset x2
World Legacy - "World Crown" x3
Mekk-Knight Blue Sky x2
Mekk-Knight Orcust Girsu x3
Ash Blossom & Joyous Spring x1
Red Blossoms from Underroot x1
SpellsMind Control x2
Monster Reborn x1
Raigeki x1
World Legacy Succession x2
World Legacy Key x2
World Legacy's Memory x3
TrapsWorld Legacy Whispers x2
World Legacy's Secret x2
ExtraClear Wing Synchro Dragon x1
Galaxy-Eyes Cipher Blade Dragon x1
Galaxy-Eyes Cipher Dragon x1
Galaxy-Eyes Full Armor Photon Dragon x1
Borreload Dragon x1
Cross-Sheep x1
Knightmare Unicorn x1
Lib the World Keymaster x2
Mekk-Knight Crusadia Avramax x1
Mekk-Knight of the Morning Star x3
Mekk-Knight Spectrum Supreme x2
SideNibiru, the Primal Being x2
Ash Blossom & Joyous Spring x1
Black Rose Moonlight Dragon x1
Borrelsword Dragon x1
I:P Masquerena x1
Mekk-Knight Crusadia Avramax x1
Proxy F Magician x1
Infinite Impermanence x2
Red Reboot x1
Solemn Judgment x2
Solemn Strike x2

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