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L40 Mai Lab Wall Farm - 100% WR

Deck by Corsails
Deck Overview
Deck Consistency
Pack Expense
Farm Expense
Card Trader Expense
Deck Skill
Character Skill
Labyrinth Builder
Shuffle 2 cards from your hand into the Deck to create "Labyrinth Wall" on your side of the field. This skill can only be used once per Duel.
Deck Build
1 12 6 1
UR SR R N
Monsters: 8
Spells: 7
Traps: 5
Monster Card
Card Rarity Quantity
Gravekeeper's Vassal
ATK: 700 DEF: 500

Any battle damage this card inflicts to your opponent is treated as effect damage instead.

R 1
Gravekeeper's Recruiter
ATK: 1200 DEF: 1500

When this card you control is sent to your Graveyard: Add 1 "Gravekeeper's" monster with 1500 or less DEF from your Deck to your hand.

SR 3
Thunder Dragon
Thunder Dragon
Thunder Dragon
ATK: 1600 DEF: 1500

You can discard this card to add up to 2 "Thunder Dragons" from your Deck to your hand.

SR 3
The Fiend Megacyber
ATK: 2200 DEF: 1200

If your opponent controls at least 2 more monsters than you do, you can Special Summon this card (from your hand).

UR 1
Spell Card
Card Rarity Quantity
Wonder Wand
Wonder Wand
Wonder Wand

Equip only to a Spellcaster-Type monster. It gains 500 ATK. If you control the equipped monster and this card: You can send both to the Graveyard; draw 2 cards.

SR 3
Union Attack
Union Attack
Union Attack

Target 1 face-up monster you control; add up the total ATK of all other face-up Attack Position monsters you currently control, then during the Battle Phase of this turn only, the monster gains that much ATK, but cannot inflict battle damage to your opponent, also other face-up Attack Position monsters cannot attack.

SR 2
Shield & Sword
Shield & Sword
Shield & Sword

Switch the original ATK and DEF of all face-up monsters currently on the field, until the End Phase.

SR 1
Secret Pass to the Treasures

Select 1 face-up monster with an ATK equal to 1000 points or less on your side of the field. During the turn this card is activated, the selected monster can attack your opponent's Life Points directly.

N 1
Trap Card
Card Rarity Quantity
[DL] Jar of Greed
Jar of Greed
[DL] Jar of Greed

Draw 1 card.

R 2
Good Goblin Housekeeping
Good Goblin Housekeeping
Good Goblin Housekeeping

Draw cards equal to the number of "Good Goblin Housekeeping" cards in your Graveyard +1, then select 1 card from your hand and return it to the bottom of your Deck.

R 3
Draw Simulator
Packs to pull to build this deck
Characters to farm to build this deck
Character
Odion
Deck Strengths
  • 100% consistency, as soon as you summon the Lab Wall Mai cannot defeat it
  • Fast with lots of drawing and deck thinning
  • Cheap, all SR cards (except Union Attack) can be replaced by other draw cards that aren't continuous
  • Easy to use
Deck Weaknesses
  • Only get ~7K points by default
  • Amazoness Sage will attack into Lab Wall if you have any spell/traps set, ruining "effect damage only" Duel Assessment. To avoid this, set Toggle to "On" so that you can activate Jar of Greed and Good Goblin Housekeeping during Mai's draw phase.
  • Skill is exclusive to Paradox Brothers only
Deck Summary

A very simple farm compared to the rest, all you need to do is summon Labyrinth Wall in defense mode, and that's it. Mai's level 40 deck cannot deal with defense mode monsters, and Lab Wall's 3000 DEF is enough to wall her out completely. Simply summon Lab Wall, draw through your deck, and play the kill combo on the final turn.

Final Turn:

  • Play Shield and Sword
  • Special Summon Fiend Megacyber and change Lab Wall into ATK mode
  • Normal Summon Gravekeeper's Vassal and activate Secret Pass to the Treasures and both Union Attack on it
  • Attack directly
Core Cards
Card Explanation

The core attacker, his effect damage provides the extra 1k Duel Assessment points for the "Only Effect Damage" bonus. 

Mandatory one of. 

Megacyber is necessary to provide extra attack points, can be replaced by other monsters that can special summon themselves. 

Run one.

Recruiter can search itself or Vassal. Pair with Wonder Wand to deck thin and draw 3+ cards a turn.
Thunder Dragon

Discard a Thunder Dragon to add two more to hand and deck thin. Good Goblin Housekeeping can put extra Dragons on the bottom of the deck to search again. 

Run 3 or 0.

Union Attack

Allows Vassal to gain the attack of Gate Guardian and your 2nd monster on the final turn.

2 copies are required.

Needed for Vassal to attack directly.

Mandatory one of. 

Replacement/Tech Cards
Card Explanation
The Tricky can serve the exact same role as Fiend Megacyber, but be careful that you have a discard to summon him.
Cards from the Sky Paired with Winged Kuriboh and Flute of Summoning Kuriboh, it is an effective alternative draw engine. Requires farming Jaden instead of Odion.