Created by: YGO Mod (20517634)

Created On: 07/26/2026

The Unsealed Forbidden Door

Need 19 UR

UR Rarity
B.E.S. Big Core MK-21 card
UR Rarity
B.E.S. Big Core MK-31 card
UR Rarity
B.E.S. Blaster Cannon Core1 card
UR Rarity
Machina Fortress1 card
 Rarity
Machina Possesstorage1 card
 Rarity
Machina Ruinforce1 card
 Rarity
Machina Unclaspare1 card
 Rarity
Orbital Hydralander1 card
 Rarity
Super B.E.S. Metal Slave1 card
 Rarity
Therion "King" Regulus1 card
UR Rarity
Armityle the Chaos Phantasm1 card
UR Rarity
Blue-Eyes Ultimate Dragon1 card
UR Rarity
Dragon Master Knight1 card
UR Rarity
Rainbow Neos1 card
UR Rarity
Forbidden Droplet3 card
UR Rarity
Machina Redeployment1 card
UR Rarity
Dogmatika Punishment1 card

Main: 24 Extra: 9

UR Rarity
B.E.S. Big Core MK-2
UR Rarity
B.E.S. Big Core MK-2
B.E.S. Big Core MK-2
FIRE 6
B.E.S. Big Core MK-2
  • ATK:

  • 2400

  • DEF:

  • 1100


If you control no monsters, you can Normal Summon this card without Tributing. When this card is Special Summoned, place 3 counters on it. This card cannot be destroyed by battle. If this card attacks or is attacked, remove 1 counter from this card at the end of the Damage Step. If you cannot, destroy it.


UR Rarity
B.E.S. Big Core MK-3
UR Rarity
B.E.S. Big Core MK-3
B.E.S. Big Core MK-3
LIGHT 8
B.E.S. Big Core MK-3
  • ATK:

  • 2700

  • DEF:

  • 1900


If your opponent controls a monster and you control no monsters, you can Special Summon this card (from your hand) in Defense Position. If this card is Normal or Special Summoned: Place 3 counters on this card. Cannot be destroyed by battle. At the end of the Damage Step, if this card battled: Remove 1 counter from this card. If you cannot, destroy it. You can banish this card from your Graveyard; shuffle all "B.E.S." monsters from your Graveyard into the Deck.


UR Rarity
B.E.S. Blaster Cannon Core
UR Rarity
B.E.S. Blaster Cannon Core
B.E.S. Blaster Cannon Core
EARTH 9
B.E.S. Blaster Cannon Core
  • ATK:

  • 2500

  • DEF:

  • 3000


If your opponent controls more monsters than you do, you can Special Summon this card (from your hand). You can only Special Summon "B.E.S. Blaster Cannon Core" once per turn this way. If this card is Normal or Special Summoned: Place 3 counters on this card. Cannot be destroyed by battle. At the end of the Damage Step, if this card battled: Remove 1 counter from this card. If you cannot, destroy it.


SR Rarity
Gearspring Spirit
SR Rarity
Gearspring Spirit
Gearspring Spirit
DARK 8
Gearspring Spirit
  • ATK:

  • 100

  • DEF:

  • 100


Cannot be Normal Summoned/Set. Must first be Special Summoned (from your hand) by having only Machine-Type monsters in your Graveyard (min. 1). Once per turn: You can target 1 face-up monster your opponent controls; its ATK becomes 0 until the End Phase.


SR Rarity
Jizukiru, the Star Destroying Kaiju
SR Rarity
Jizukiru, the Star Destroying Kaiju
Jizukiru, the Star Destroying Kaiju
LIGHT 10
Jizukiru, the Star Destroying Kaiju
  • ATK:

  • 3300

  • DEF:

  • 2600


You can Special Summon this card (from your hand) to your opponent's field in Attack Position, by Tributing 1 monster they control. If your opponent controls a "Kaiju" monster, you can Special Summon this card (from your hand) in Attack Position. You can only control 1 "Kaiju" monster. When a card or effect is activated that targets exactly 1 card (and no other cards) (Quick Effect): You can remove 3 Kaiju Counters from anywhere on the field; negate that effect, and if you do, you can destroy 1 card on the field.


SR Rarity
Machina Citadel
SR Rarity
Machina Citadel
Machina Citadel
EARTH 10
Machina Citadel
  • ATK:

  • 3000

  • DEF:

  • 2500


Cannot be Normal Summoned/Set. Must be Special Summoned by a card effect. (Quick Effect): You can target 1 Machine monster you control; destroy that Machine monster and all monsters your opponent controls with ATK less than or equal to it. If a face-up EARTH Machine monster(s) you control, except "Machina Citadel", is destroyed by battle or card effect while this card is in your GY: You can Special Summon this card. You can only use each effect of "Machina Citadel" once per turn.


UR Rarity
Machina Fortress
UR Rarity
Machina Fortress
Machina Fortress
EARTH 7
Machina Fortress
  • ATK:

  • 2500

  • DEF:

  • 1600


You can discard Machine monster(s) whose total Levels equal 8 or more, then Special Summon this card (from your hand or GY). If this card is destroyed by battle and sent to the GY: Target 1 card your opponent controls; destroy that target. Before resolving an opponent's monster effect that targets this face-up card, look at your opponent's hand and discard 1 card from their hand.


 Rarity
Machina Possesstorage
 Rarity
Machina Possesstorage
Machina Possesstorage
DARK 4
Machina Possesstorage
  • ATK:

  • 1600

  • DEF:

  • 1500


If this card is Normal or Special Summoned: You can target 1 "Machina" monster in your GY, except "Machina Possesstorage"; Special Summon it in Defense Position, but it cannot activate its effects this turn. You can target 1 other "Machina" monster you control and 1 Spell/Trap your opponent controls; return them to the hand. You can only use each effect of "Machina Possesstorage" once per turn.


 Rarity
Machina Ruinforce
 Rarity
Machina Ruinforce
Machina Ruinforce
DARK 10
Machina Ruinforce
  • ATK:

  • 4600

  • DEF:

  • 4100


Cannot be Normal Summoned/Set. Must be Special Summoned (from your GY) by banishing Machine monsters from your GY whose total Levels equal 12 or more. When your opponent activates a card or effect during the Battle Phase (Quick Effect): You can pay half your LP; negate that activation, and if you do, halve your opponent's LP. If this card is destroyed by battle or card effect: You can Special Summon up to 3 of your banished "Machina" monsters, whose total Levels equal 12 or less. You can only use each effect of "Machina Ruinforce" once per turn.


 Rarity
Machina Unclaspare
 Rarity
Machina Unclaspare
Machina Unclaspare
DARK 4
Machina Unclaspare
  • ATK:

  • 1800

  • DEF:

  • 800


If this card is added to your hand, except by drawing it: You can Special Summon it, also you cannot Special Summon for the rest of this turn, except Machine monsters. If this card is Normal or Special Summoned: You can send 1 "Machina" monster from your Deck to the GY, except "Machina Unclaspare". You can only use each effect of "Machina Unclaspare" once per turn.


 Rarity
Orbital Hydralander
 Rarity
Orbital Hydralander
Orbital Hydralander
DARK 8
Orbital Hydralander
  • ATK:

  • 3000

  • DEF:

  • 1500


Cannot be Normal Summoned/Set. Must be Special Summoned (from your hand) by having 5 or more monsters in your GY, and no monsters in your GY with the same name. Once per turn (Quick Effect): You can send the top 3 cards of your Deck to the GY; destroy 1 card on the field. You must have at least 2 monsters in your GY, and no monsters in your GY with the same name, to activate and to resolve this effect.


SR Rarity
Super Anti-Kaiju War Machine Mecha-Thunder-King
SR Rarity
Super Anti-Kaiju War Machine Mecha-Thunder-King
Super Anti-Kaiju War Machine Mecha-Thunder-King
LIGHT 9
Super Anti-Kaiju War Machine Mecha-Thunder-King
  • ATK:

  • 2200

  • DEF:

  • 2100


During the Main Phase (Quick Effect): You can discard this card; banish 1 "Kaiju" monster you control that is owned by your opponent, then, you can Special Summon 1 monster from your GY. You can only control 1 "Kaiju" monster. This card is unaffected by other "Kaiju" cards' effects, also it cannot be destroyed by battle with a "Kaiju" monster. During your End Phase, if this card is in your GY: You can Special Summon this card. You can only use this effect of "Super Anti-Kaiju War Machine Mecha-Thunder-King" once per Duel.


 Rarity
Super B.E.S. Metal Slave
 Rarity
Super B.E.S. Metal Slave
Super B.E.S. Metal Slave
DARK 11
Super B.E.S. Metal Slave
  • ATK:

  • 3100

  • DEF:

  • 3100


You can send up to 5 Level 10 or lower "B.E.S." monsters with different names from your hand and/or Deck to the GY; Special Summon this card from your hand, then place counters on this card equal to the number sent to the GY to activate this effect. You can only use this effect of "Super B.E.S. Metal Slave" once per turn. Once per Chain (Quick Effect): You can remove 1 counter from this card, then target 2 face-up cards on the field, including 1 "B.E.S." monster you control; destroy them.


 Rarity
Therion "King" Regulus
 Rarity
Therion "King" Regulus
Therion "King" Regulus
EARTH 8
Therion "King" Regulus
  • ATK:

  • 2800

  • DEF:

  • 1600


You can only use each of the following effects of "Therion "King" Regulus" once per turn. ● You can target 1 "Therion" monster or 1 Machine monster in your GY; Special Summon this card from your hand, and if you do, equip that monster to this card. ● When your opponent activates a card or effect (Quick Effect): You can send 1 "Therion" Monster Card from your hand or face-up field to the GY; negate that effect. A "Therion" monster equipped with this card gains 700 ATK, also it can activate the 2nd effect listed above as if it were "Therion "King" Regulus".


SR Rarity
Machina Gearframe
SR Rarity
Machina Gearframe
Machina Gearframe
EARTH 4
Machina Gearframe
  • ATK:

  • 1800

  • DEF:

  • 0


When this card is Normal Summoned: You can add 1 "Machina" monster from your Deck to your hand, except "Machina Gearframe". Once per turn, you can either: Target 1 Machine monster you control; equip this card to that target, OR: Unequip this card and Special Summon it. If the equipped monster would be destroyed by battle or card effect, destroy this card instead.


SR Rarity
Book of Eclipse
SR Rarity
Book of Eclipse
Book of Eclipse
Spell Quick
Book of Eclipse

    Change all face-up monsters on the field to face-down Defense Position. During the End Phase of this turn, change as many face-down Defense Position monsters your opponent controls as possible to face-up Defense Position, then your opponent draws cards equal to the number of monsters changed face-up by this effect.


    SR Rarity
    Book of Eclipse
    SR Rarity
    Book of Eclipse
    Book of Eclipse
    Spell Quick
    Book of Eclipse

      Change all face-up monsters on the field to face-down Defense Position. During the End Phase of this turn, change as many face-down Defense Position monsters your opponent controls as possible to face-up Defense Position, then your opponent draws cards equal to the number of monsters changed face-up by this effect.


      UR Rarity
      Forbidden Droplet
      UR Rarity
      Forbidden Droplet
      Forbidden Droplet
      Spell Quick
      Forbidden Droplet

        Send any number of other cards from your hand and/or field to the GY; choose that many Effect Monsters your opponent controls, and until the end of this turn, their ATK is halved, also their effects are negated. In response to this card's activation, your opponent cannot activate cards, or the effects of cards, with the same original type (Monster/Spell/Trap) as the cards sent to the GY to activate this card. You can only activate 1 "Forbidden Droplet" per turn.




        Tag(s):

        UR Rarity
        Forbidden Droplet
        UR Rarity
        Forbidden Droplet
        Forbidden Droplet
        Spell Quick
        Forbidden Droplet

          Send any number of other cards from your hand and/or field to the GY; choose that many Effect Monsters your opponent controls, and until the end of this turn, their ATK is halved, also their effects are negated. In response to this card's activation, your opponent cannot activate cards, or the effects of cards, with the same original type (Monster/Spell/Trap) as the cards sent to the GY to activate this card. You can only activate 1 "Forbidden Droplet" per turn.




          Tag(s):

          UR Rarity
          Forbidden Droplet
          UR Rarity
          Forbidden Droplet
          Forbidden Droplet
          Spell Quick
          Forbidden Droplet

            Send any number of other cards from your hand and/or field to the GY; choose that many Effect Monsters your opponent controls, and until the end of this turn, their ATK is halved, also their effects are negated. In response to this card's activation, your opponent cannot activate cards, or the effects of cards, with the same original type (Monster/Spell/Trap) as the cards sent to the GY to activate this card. You can only activate 1 "Forbidden Droplet" per turn.




            Tag(s):

            N Rarity
            Machina Defense Perimeter
            N Rarity
            Machina Defense Perimeter
            Machina Defense Perimeter
            Spell Continuous
            Machina Defense Perimeter

              While you control a Level 7 or higher Machine monster, your opponent's monsters cannot target Level 6 or lower Machine monsters you control for attacks, also your opponent cannot target them with card effects. If a face-up Machine monster(s) you control is destroyed by battle or card effect: You can target 1 Machine monster in your GY; add it to your hand. You can only use this effect of "Machina Defense Perimeter" once per turn.


              UR Rarity
              Machina Redeployment
              UR Rarity
              Machina Redeployment
              Machina Redeployment
              Spell Normal
              Machina Redeployment

                Activate 1 of these effects. ● Discard 1 card; add 2 "Machina" monsters with different names from each other from your Deck to your hand. ● Discard 1 "Machina" card; add 2 "Machina" cards with different names from each other from your Deck to your hand, except "Machina Redeployment". You can only activate 1 "Machina Redeployment" per turn.


                UR Rarity
                Dogmatika Punishment
                UR Rarity
                Dogmatika Punishment
                Dogmatika Punishment
                Trap Normal
                Dogmatika Punishment

                  Target 1 face-up monster your opponent controls; send 1 monster with an equal or higher ATK from your Extra Deck to the GY, and if you do, destroy that monster. Until the end of your next turn after this card resolves, you cannot Special Summon monsters from the Extra Deck. You can only activate 1 "Dogmatika Punishment" per turn.


                  N Rarity
                  Tyrant's Tirade
                  N Rarity
                  Tyrant's Tirade
                  Tyrant's Tirade
                  Trap Continuous
                  Tyrant's Tirade

                    Tribute 2 monsters. Effects of Effect Monsters that activate in the hand or on the field cannot be activated.


                    UR Rarity
                    Armityle the Chaos Phantasm
                    UR Rarity
                    Armityle the Chaos Phantasm
                    Armityle the Chaos Phantasm
                    DARK 12
                    Armityle the Chaos Phantasm
                    • ATK:

                    • 0

                    • DEF:

                    • 0


                    "Uria, Lord of Searing Flames" + "Hamon, Lord of Striking Thunder" + "Raviel, Lord of Phantasms" Must first be Special Summoned (from your Extra Deck) by banishing the above cards you control. (You do not use "Polymerization".) Cannot be destroyed by battle. Gains 10,000 ATK during your turn only.


                    N Rarity
                    Barbaroid, the Ultimate Battle Machine
                    N Rarity
                    Barbaroid, the Ultimate Battle Machine
                    Barbaroid, the Ultimate Battle Machine
                    EARTH 12
                    Barbaroid, the Ultimate Battle Machine
                    • ATK:

                    • 4000

                    • DEF:

                    • 4000


                    5 Machine-Type "roid" monsters This card can make a second attack during each Battle Phase. This card cannot attack your opponent directly. After damage calculation, if this card attacked an opponent's monster: Negate the effects of that monster (including in the Graveyard). If this card destroys an opponent's monster by battle: Inflict 1000 damage to your opponent.


                    UR Rarity
                    Blue-Eyes Ultimate Dragon
                    UR Rarity
                    Blue-Eyes Ultimate Dragon
                    Blue-Eyes Ultimate Dragon
                    LIGHT 12
                    Blue-Eyes Ultimate Dragon
                    • ATK:

                    • 4500

                    • DEF:

                    • 3800


                    "Blue-Eyes White Dragon" + "Blue-Eyes White Dragon" + "Blue-Eyes White Dragon"


                    SR Rarity
                    Chaos Ancient Gear Giant
                    SR Rarity
                    Chaos Ancient Gear Giant
                    Chaos Ancient Gear Giant
                    DARK 10
                    Chaos Ancient Gear Giant
                    • ATK:

                    • 4500

                    • DEF:

                    • 3000


                    4 "Ancient Gear" monsters Must be Fusion Summoned and cannot be Special Summoned by other ways. Unaffected by Spell/Trap effects. Your opponent's monsters cannot activate their effects during the Battle Phase. This card can attack all monsters your opponent controls, once each. If this card attacks a Defense Position monster, inflict piercing battle damage to your opponent.


                    UR Rarity
                    Dragon Master Knight
                    UR Rarity
                    Dragon Master Knight
                    Dragon Master Knight
                    LIGHT 12
                    Dragon Master Knight
                    • ATK:

                    • 5000

                    • DEF:

                    • 5000


                    "Black Luster Soldier" + "Blue-Eyes Ultimate Dragon" Must be Fusion Summoned. This card gains 500 ATK for each Dragon monster you control, except this card.


                    SR Rarity
                    Elder Entity N'tss
                    SR Rarity
                    Elder Entity N'tss
                    Elder Entity N'tss
                    LIGHT 4
                    Elder Entity N'tss
                    • ATK:

                    • 2500

                    • DEF:

                    • 1200


                    1 Synchro Monster + 1 Xyz Monster Must be Special Summoned (from your Extra Deck) by sending the above cards you control to the GY. (You do not use "Polymerization".) Once per turn: You can Special Summon 1 Level 4 monster from your hand. If this card is sent to the GY: You can target 1 card on the field; destroy it. You can only Special Summon "Elder Entity N'tss(s)" once per turn.


                    SR Rarity
                    Master of Ham
                    SR Rarity
                    Master of Ham
                    Master of Ham
                    EARTH 5
                    Master of Ham
                    • ATK:

                    • 2100

                    • DEF:

                    • 1850


                    2 Beast monsters If this card is Fusion Summoned or flipped face-up: You can Special Summon 1 Flip monster from your hand or Deck in face-down Defense Position. If this card is in your GY: You can banish 2 Flip monsters from your face-up field and/or GY; Special Summon this card in face-down Defense Position, but banish it when it leaves the field. You can only use each effect of "Master of Ham" once per turn.


                    SR Rarity
                    Pair Cycroid
                    SR Rarity
                    Pair Cycroid
                    Pair Cycroid
                    EARTH 5
                    Pair Cycroid
                    • ATK:

                    • 1600

                    • DEF:

                    • 1200


                    2 Machine-Type monsters with the same name This card can attack your opponent directly.


                    UR Rarity
                    Rainbow Neos
                    UR Rarity
                    Rainbow Neos
                    Rainbow Neos
                    LIGHT 10
                    Rainbow Neos
                    • ATK:

                    • 4500

                    • DEF:

                    • 3000


                    "Elemental HERO Neos" + 1 "Ultimate Crystal" monster Must be Fusion Summoned with the above Fusion Material Monsters and cannot be Special Summoned by other ways. Once per turn: You can activate 1 of these effects. ● Send 1 monster you control to the Graveyard; shuffle all monsters your opponent controls into the Deck. ● Send 1 Spell/Trap Card you control to the Graveyard; shuffle all Spell and Trap Cards your opponent controls into the Deck. ● Send 1 card from the top of your Deck to the Graveyard; shuffle all cards in your opponent's Graveyard into the Deck.




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