MDK-GT001

The Shadow from Darkworld
Fiend -- DARK
Level 1
ATK/ 1000 DEF/ 0
No light can penetrate this darkness...unless it comes from Darkworld as well.
Common

MDK-GT002

The Shine from Darkworld
Fairy -- LIGHT
Level 1
ATK/ 1000 DEF/ 0
No darkness can cover this light...unless it comes from Darkworld as well.
Common

MDK-GT003

Human Nanogenetic Subject
Warrior -- LIGHT
Level 3
ATK/ 1400 DEF/ 0
Captured by the nanogenetic scientists, these humans are being used to test the Nanogenetic Transferral Machine. Little do any of them know, however, just how powerful it will make them...
Common

MDK-GT004

Nanogenetic Scientist Norman
Spellcaster / Effect -- DARK
Level 4
ATK/ 500 DEF/ 500
During your Main Phases, you may Tribute this face-up monster to select 1 "Darkworld Scorpion" in your Deck, show it to your opponent, add it to your hand, and shuffle your Deck.
Common

MDK-GT005

Nanogenetic Scientist Ralph
Spellcaster / Effect -- DARK
Level 4
ATK/ 500 DEF/ 500
During your Main Phases, you may Tribute this face-up monster to select 1 "Mirror Fox" in your Deck, show it to your opponent, add it to your hand, and shuffle your Deck.
Common

MDK-GT006

Nanogenetic Scientist Clarke
Spellcaster / Effect -- DARK
Level 4
ATK/ 500 DEF/ 500
Increase this face-up card's ATK by 500 points for each face-up card with "Nanogenetic" in its name on your field.
Common

MDK-GT007

Vampire Serpent
Reptile / Effect -- DARK
Level 2
ATK/ 500 DEF/ 0
When this card destroys an opponent's monster as a result of battle, you may increase this card's ATK by the ATK of the destroyed monster at the end of the Damage Step. This effect can only be activated twice for each time this card is face-up on the field.
Super Rare / Ultimate Rare

MDK-GT008

Humanoid Vampire Serpent
Reptile / Effect -- DARK
Level 4
ATK/ 1900 DEF/ 0
During your Main Phases, if a face-up "Vampire Serpent" on your field has activated its effect twice, you may Tribute it to Special Summon this card from your hand to your field. When you declare an attack with this card against an opponent's face-up monster or when your opponent declares an attack against this face-up card, if this card was Special Summoned by its own effect, increase this card's ATK by the ATK of the opponent's monster it is attacking or being attacked by until the end of the next player's turn.
Ultra Rare / Ultimate Rare

MDK-GT009

Gust Magician
Spellcaster / Effect -- WIND
Level 4
ATK/ 1800 DEF/ 1500
When this card is sent to the Graveyard as a result of battle, you may send 1 card from the field to its owner's hand.
Common

MDK-GT010

Umbral Phantom
Zombie / Effect -- DARK
Level 2
ATK/ 700 DEF/ 800
Once per turn during your Main Phases, you may change 1 face-up monster on the field to face-down Attack Position.
Common

MDK-GT011

Quick Shadow from Darkworld
Zombie / Effect -- DARK
Level 7
ATK/ 2600 DEF/ 1900
When this card is sent directly from your hand to your Graveyard by an opponent's card effect, Special Summon this card to your field. Once per turn during your Main Phases, you may discard 3 monsters with "Darkworld" in their names from your hand to destroy 1 monster on the field.
Common

MDK-GT012
[Limited]

Darkworld Havoc Seeker
Fiend / Effect -- DARK
Level 8
ATK/ 500 DEF/ 500
This card cannot be Special Summoned. During your Main Phases, you may Tribute this face-up monster to Special Summon as many monsters with "Darkworld" in their names from all Graveyards to your field as possible.
Ultra Rare / Ultimate Rare

MDK-GT013

Final Fortress of Darkworld
Rock / Effect -- DARK
Level 6
ATK/ ? DEF/ 3000
During your Main Phases, if 3 face-up monsters with "Darkworld" in their names are on your field, you may Special Summon this card from your hand to your field. This face-up card's ATK becomes the number of face-up monsters with "Darkworld" in their names on your field x 1000.
Short Print Common

MDK-GT014

DarkSea Caste Summoner
Aqua / Effect -- DARK
Level 4
ATK/ 1200 DEF/ 1800
When you Tribute this card for the Tribute Summon of a DARK or WATER monster, you may treat this 1 monster as 2 Tributes for the Tribute Summon.
Common

MDK-GT015

LightWind Caste Summoner
Fairy / Effect -- WIND
Level 4
ATK/ 1200 DEF/ 1800
When you Tribute this card for the Tribute Summon of a LIGHT or WIND monster, you may treat this 1 monster as 2 Tributes for the Tribute Summon.
Common

MDK-GT016

FlameEarth Caste Summoner
Pyro / Effect -- EARTH
Level 4
ATK/ 1200 DEF/ 1800
When you Tribute this card for the Tribute Summon or a FIRE or EARTH monster, you may treat this 1 monster as 2 Tributes for the Tribute Summon.
Common

MDK-GT017

Spider Beast
Beast-Warrior / Effect -- DARK
Level 3
ATK/ 1200 DEF/ 0
Once per turn during your Main Phases, you may reduce the ATK of 1 face-up monster on your field by any multiple of 100 points to increase this face-up card's ATK by the same amount.
Short Print Common

MDK-GT018

Humanoid Spider Beast
Beast-Warrior / Effect -- DARK
Level 5
ATK/ 2000 DEF/ 0
During your Main Phases, if a face-up "Spider Beast" on your field has activated its effect at least 3 times, you may Tribute it to Special Summon this card from your hand to your field. Once per turn during your Main Phases, if this card was Special Summoned by its own effect, you may reduce the ATK of 1 face-up monster on the field by 500 points to increase this face-up card's ATK by 500 points.
Rare / Ultimate Rare

MDK-GT019

Supreme Humanoid Spider Beast
Beast-Warrior / Effect -- DARK
Level 7
ATK/ 2500 DEF/ 0
This card cannot be Normal Summoned or Set, and cannot be Special Summoned except by the effect of "Castle of Corruption" when you Tribute a "Humanoid Spider Beast" that was Special Summoned by its own effect to activate it. Once per turn during your Main Phases, you may reduce the ATK of 1 face-up monster on the field by any multiple of 100 points to increase this face-up card's ATK by the same amount.
Ultra Rare / Ultimate Rare

MDK-GT020

Shadow Ghoul, Minion of Darkworld
Fiend / Effect -- DARK
Level 5
ATK/ 1600 DEF/ 1300
Treat this card's name as "Shadow Ghoul". Increase this face-up card's ATK by 100 points for each card in your Graveyard.
Rare / Ultimate Rare

MDK-GT021

Perfect Wall Shadow
Fiend / Effect -- DARK
Level 8
ATK/ 1600 DEF/ 3000
Treat this card's name as "Wall Shadow". This card cannot be Normal Summoned or Set, and cannot be Special Summoned except by the effect of "Magical Labyrinth". Increase this face-up card's ATK and DEF by 100 points for each card in your Graveyard. Once per turn during your Main Phases, you may remove 3 cards in your Graveyard from play to randomly discard 1 card from your opponent's hand.
Rare / Ultimate Rare

MDK-GT022

Dungeon Worm #2
Beast / Effect -- EARTH
Level 4
ATK/ 1800 DEF/ 1500
Once per turn during your Main Phases, you may shift control of this face-up card to your opponent.
Common

MDK-GT023

Landmine Spider
Insect / Effect -- EARTH
Level 4
ATK/ 1000 DEF/ 2200
When an opponent's monster attacks this face-down card, inflict 1000 Effect Damage to your opponent at the end of the Damage Step.
Rare / Ultimate Rare

MDK-GT024

Darkworld Scorpion
Insect / Effect -- DARK
Level 4
ATK/ 1700 DEF/ 800
When this card destroys an opponent's monster and sends it to the Graveyard as a result of battle, increase this face-up card's ATK by 200 points.
Common

MDK-GT025

Humanoid Darkworld Scorpion
Insect / Effect -- DARK
Level 6
ATK/ 2400 DEF/ 0
During your Main Phases, if a face-up "Darkworld Scorpion" on your field has activated its effect at least 3 times, you may Tribute it to Special Summon this card from your hand to your field. When you declare an attack with this card against an opponent's face-up monster or when your opponent declares an attack against this face-up card, if this card was Special Summoned by its own effect, increase this card's ATK by 600 points.
Super Rare / Ultimate Rare

MDK-GT026

Penumbral Denizen of Starlight
Spellcaster / Effect -- DARK
Level 7
ATK/ 2000 DEF/ 2400
Once per turn during your Main Phases, you may select and activate 1 of the following effects:
• Change 1 face-up monster on the field to face-down Attack Position.
• Destroy 1 face-down Attack Position monster on the field.
• Take control of 1 face-down Attack Position monster on your opponent's field until the End Phase of the turn. That monster cannot attack during this turn.
Super Rare / Ultimate Rare

MDK-GT027

Mirror Fox
Beast / Effect -- DARK
Level 3
ATK/ 600 DEF/ 1900
FLIP: Reduce the ATK of 1 face-up monster on the field by 900 points. Once per turn during your Main Phases, you may change the Battle Position of this face-up monster.
Common

MDK-GT028

Humanoid Mirror Fox
Beast / Effect -- DARK
Level 4
ATK/ 500 DEF/ 2000
During your Main Phases, if a face-up "Mirror Fox" on your field activated its Flip Effect during your previous turn, you may Tribute it to Special Summon this card from your hand to your field. When you declare an attack with this card against an opponent's face-up monster, if this card was Special Summoned by its own effect, reduce the ATK of the opponent's monster to 0 until the End Step of the attack.
Rare / Ultimate Rare

MDK-GT029

Starlight Sage
Spellcaster / Effect / Ritual -- LIGHT
Level 4
ATK/ 1800 DEF/ 1600
This card cannot be Normal Summoned or Set, and must be Ritual Summoned by the effect of "Starlight Wisdom Ritual" before being Special Summoned by other card effects. Increase this face-up card's ATK and DEF by 200 points for each face-down Attack Position monster on the field.
Common

MDK-GT030

The Shadow and Shine from Darkworld
Fairy / Effect / Fusion -- DARK
Level 4
ATK/ 1800 DEF/ 0
"The Shadow from Darkworld" + "The Shine from Darkworld"
As long as this card is face-up on the field, only LIGHT and/or DARK monsters can be face-up on any player's field or be Summoned.
Super Rare / Ultimate Rare

MDK-GT031

Labyrinth Siege Tank
Machine / Effect / Fusion -- DARK
Level 8
ATK/ 2800 DEF/ 2400
"Labyrinth Tank" + "Shadow Ghoul"
If a "Labyrinth Wall" is face-up on your field, this face-up card cannot be destroyed by effects that target it. When this card attacks and battles with a Defense Position monster with less DEF than this card's ATK, inflict the difference as Battle Damage to your opponent.
Rare / Ultimate Rare

MDK-GT032

Lightning Kick
Quick-Play Spell Card
Destroy 1 face-up monster with 2500 ATK or more on the field and remove it from play.
Rare / Ultimate Rare

MDK-GT033

Lightning Punch
Quick-Play Spell Card
Destroy 1 face-up monster with 2500 DEF or more on the field and remove it from play.
Common

MDK-GT034

The Power of Three
Normal Spell Card
This card can only be activated if 3 face-up monsters with the same ATK are on your field. Destroy 1 of those 3 monsters and destroy 1 monster on your opponent's field.
Common

MDK-GT035

The Power of Four
Normal Spell Card
This card can only be activated if 4 face-up monsters with the same ATK are on your field. Destroy 2 of those 4 monsters and destroy 2 monsters on your opponent's field.
Short Print Common

MDK-GT036

The Power of Five
Normal Spell Card
This card can only be activated if 5 face-up monsters with the same ATK are on your field. Destroy 3 of those 5 monsters, then look at your opponent's hand and destroy 3 monsters on his/her field and/or in his/her hand.
Rare / Ultimate Rare

MDK-GT037

Starlight Ritual Knife
Normal Spell Card
Destroy 1 face-down Attack Position monster on the field.
Common

MDK-GT038
[Semi-Limited]

Starlight Puppet Controller
Normal Spell Card
Take control of 1 face-down Attack Position monster on your opponent's field until the End Phase of the turn. That monster cannot attack during this turn.
Super Rare / Ultimate Rare

MDK-GT039

Starlight Wisdom Ritual
Ritual Spell Card
Ritual Summon 1 "Starlight Sage" from your hand to your field and Tribute monsters whose total Level equals 4 or more from your hand and/or your field.
Common

MDK-GT040

Magical Moon Muffins
Normal Spell Card
Select 1 face-up monster on the field. Until the end of the turn, negate the effect of a monster destroyed by the selected monster as a result of battle.
Rare / Ultimate Rare

MDK-GT041

Nanogenetic Bomb
Quick-Play Spell Card
Destroy all face-up monsters with "Humanoid" in their names on the field.
Common

MDK-GT042

Nanogenetic Transferral Machine
Continuous Spell Card
Once per turn during your Standby Phases, add 1 counter to 1 face-up monster on the field. Increase the ATK and DEF of the monster(s) by 100 points for each counter on them. When this card is removed from the field, remove the counter(s) from the monster(s).
Common

MDK-GT043

Enter the Maze
Normal Spell Card
Pay 500 Life Points to activate this card. Special Summon 1 "Labyrinth Wall" from your hand to your field.
Short Print Common

MDK-GT044

Labyrinth Renovations
Equip Spell Card
This card can only be equipped to a "Labyrinth Wall". A monster equipped with this card increases its DEF by 200 points for each face-up card with "Labyrinth" in its name on your field.
Common

MDK-GT045

An Unending Labyrinth
Continuous Spell Card
When your opponent declares an attack, flip all other cards on your field face-down, shuffle them, and place them in random Monster Card Zones on your field in face-down Attack Position. Treat any Spell and/or Trap Cards affected by this effect as monsters with 0 ATK and DEF. Return the cards to their original positions at the end of the Battle Phase. This effect can only be activated if more than 1 other card is on your field and less than 6 other cards are on your field.
Super Rare / Ultimate Rare

MDK-GT046

Labyrinth of Disaster
Continuous Spell Card
When a monster is destroyed as a result of battle, add 1 counter to this face-up card. When the 4th counter is added to this card, destroy this card and inflict 3000 Effect Damage to the player that destroyed the last monster.
Common

MDK-GT047

Labyrinth of Fear
Continuous Spell Card
When a monster is destroyed and sent from your field to your Graveyard, you may remove that monster from play. When the 4th monster is removed from play by this effect, draw 2 cards. When the 8th monster is removed from play by this effect, randomly discard 2 cards from your opponent's hand.
Rare / Ultimate Rare

MDK-GT048

Level Limit - Area C
Continuous Spell Card
As long as this card is face-up on the field, all face-up Level 3 or lower monsters on the field change to Defense Position and cannot change their Battle Positions manually or by a card effect.
Common

MDK-GT049

Level Limit - Area D
Continuous Spell Card
As long as this card is face-up on the field, all face-up Level 5 or higher monsters on the field change to Defense Position and cannot change their Battle Positions manually or by a card effect.
Common

MDK-GT050

A Curse of Thieves
Continuous Spell Card
When control of a monster on your field shifts to your opponent, add that monster's ATK to your Life Points. If that monster is face-down, you gain 1000 Life Points instead.
Rare / Ultimate Rare

MDK-GT051

Crushing Trap
Normal Trap Card
When this face-down card is destroyed and sent to the Graveyard, the opponent of the controller of the card that destroyed this card must send 3 cards from the top of his/her Deck to the Graveyard.
Common

MDK-GT052

Castle of Corruption
Normal Trap Card
Tribute 1 monster on your field to activate this card. Special Summon 1 monster with "Humanoid" and the name of the Tributed monster in its name from your hand or Deck to your field. Treat the Special Summoned monster as though it was Special Summoned by its own effect.
Rare / Ultimate Rare

MDK-GT053

Inner Castle Experiments
Normal Trap Card
Tribute 1 "Human Nanogenetic Subject" on your field to activate this card. Select 1 monster with "Humanoid" in its name in your Deck, show it to your opponent, add it to your hand, and shuffle your Deck.
Short Print Common

MDK-GT054

Inversed Mirror Force
Normal Trap Card
This card can only be activated when your opponent declares an attack. Destroy all face-down Attack Position monsters on your opponent's field and remove them from play.
Ultra Rare / Ultimate Rare

MDK-GT055

Starlight Cloak
Normal Trap Card
This card can only be activated when your opponent declares an attack. Negate that attack, and change the attacking monster to face-down Attack Position.
Common

MDK-GT056

Firestorm of Etaqua
Normal Trap Card
Flip all face-down monsters on your opponent's field face-up.
Super Rare / Ultimate Rare

MDK-GT057

Waterstorm of Etaqua
Normal Trap Card
Flip all face-up monsters on your opponent's field face-down (but do not change their Battle Positions).
Rare / Ultimate Rare

MDK-GT058

Hired Defenders from Darkworld
Normal Trap Card
This card can only be activated if at least 1 monster is on your field when an opponent's monster attacks you directly. The attacking monster must instead attack 1 monster on your field (this card's controller chooses the monster to be attacked).
Common

MDK-GT059

Revolt of the Bodiless
Normal Trap Card
Reduce the ATK and DEF of 1 face-up monster on the field by 100 points for each monster in your removed from play pile.
Common

MDK-GT060

Curse of Labyrinth
Normal Trap Card
Select 1 card with "Labyrinth" in its name in your Graveyard, show it to your opponent, and add it to your hand.
Rare / Ultimate Rare