Created by: YGO Mod (20517634)

Created On: 04/20/2026

The Unsealed Forbidden Door

Need 22 UR

UR Rarity
B.E.S. Big Core MK-31 card
UR Rarity
B.E.S. Blaster Cannon Core1 card
 Rarity
B.E.S. Derringer Core1 card
UR Rarity
Desperado Barrel Dragon1 card
UR Rarity
Gizmek Orochi, the Serpentron Sky Slasher1 card
UR Rarity
Machina Fortress1 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
 Rarity
Therion Irregular1 card
 Rarity
Vic Viper Type-L1 card
 Rarity
Boss on Parade1 card
UR Rarity
Final Bringer of the End Times3 card
UR Rarity
Forbidden Droplet3 card
UR Rarity
Machina Redeployment2 card

Main: 30

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.


 Rarity
B.E.S. Derringer Core
 Rarity
B.E.S. Derringer Core
B.E.S. Derringer Core
LIGHT 10
B.E.S. Derringer Core
  • ATK:

  • 1900

  • DEF:

  • 3000


You can reveal 1 other "B.E.S." monster in your hand; Special Summon this card from your hand, then place 3 counters on this card. During the Main Phase (Quick Effect): You can remove 1 counter from this card and activate 1 of these effects; ● Add 1 "Boss Rush" or 1 Spell/Trap that mentions it, from your Deck to your hand. ● Special Summon 1 Level 9 or lower "B.E.S." monster from your GY. You can only use each effect of "B.E.S. Derringer Core" once per turn.


SR Rarity
B.E.S. Tetran
SR Rarity
B.E.S. Tetran
B.E.S. Tetran
WIND 6
B.E.S. Tetran
  • ATK:

  • 1800

  • DEF:

  • 2300


When this card is Normal Summoned, put 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. Once per turn, you can remove 1 counter on this card to destroy 1 Spell or Trap Card on the field.


UR Rarity
Desperado Barrel Dragon
UR Rarity
Desperado Barrel Dragon
Desperado Barrel Dragon
DARK 8
Desperado Barrel Dragon
  • ATK:

  • 2800

  • DEF:

  • 2200


If a face-up DARK Machine monster(s) you control is destroyed by battle or card effect: You can Special Summon this card from your hand. Once per turn, during the Battle Phase (Quick Effect): You can toss a coin 3 times; destroy face-up monsters on the field, up to the number of heads, then if the result was 3 heads, draw 1 card. This card cannot attack the turn this effect is activated. If this card is sent to the GY: You can add 1 Level 7 or lower monster that has a coin tossing effect, from your Deck to your hand.


UR Rarity
Gizmek Orochi, the Serpentron Sky Slasher
UR Rarity
Gizmek Orochi, the Serpentron Sky Slasher
Gizmek Orochi, the Serpentron Sky Slasher
DARK 8
Gizmek Orochi, the Serpentron Sky Slasher
  • ATK:

  • 2450

  • DEF:

  • 2450


If this card is in your hand or GY (Quick Effect): You can banish 8 cards from the top of your Deck face-down; Special Summon this card. You can banish 3 cards from your Extra Deck face-down, then target 1 face-up monster on the field; destroy it. You can only use 1 "Gizmek Orochi, the Serpentron Sky Slasher" effect per turn, and only once that turn.


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 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.


 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".


 Rarity
Therion Irregular
 Rarity
Therion Irregular
Therion Irregular
DARK 10
Therion Irregular
  • ATK:

  • 1600

  • DEF:

  • 2800


You can target up to 3 "Therion" monsters in your GY; Special Summon this card from your hand, and if you do, equip them to this card. You can discard 1 "Endless Engine Argyro System"; destroy all cards your opponent controls. While this card is equipped to a monster: You can Special Summon this card, then equip the monster this card was equipped to, to this card. You can only use each effect of "Therion Irregular" once per turn.


 Rarity
Vic Viper Type-L
 Rarity
Vic Viper Type-L
Vic Viper Type-L
LIGHT 4
Vic Viper Type-L
  • ATK:

  • 1200

  • DEF:

  • 800


At the start of your Battle Phase: You can activate 1 of these effects; ● Special Summon 1 Machine monster from your hand. ● Send 1 Level 4 or lower LIGHT Machine monster from your Deck to the GY. If this card is destroyed: You can target 1 LIGHT Machine monster in your GY; Special Summon it, and if you Special Summoned a monster with 1200 or less original ATK, it gains 1200 ATK. You can only use each effect of "Vic Viper Type-L" once per turn.


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
B.E.F. Zelos
SR Rarity
B.E.F. Zelos
B.E.F. Zelos
Spell Field
B.E.F. Zelos

    When this card is activated: You can add 1 "Boss Rush" from your Deck to your hand. "B.E.S." monsters you control gain 500 ATK/DEF, your opponent cannot target them with card effects, also they cannot be destroyed by your opponent's card effects. Once per turn: You can Special Summon 1 "B.E.S." monster from your hand. If a "B.E.S." monster(s) is Normal or Special Summoned to your field: Place 1 counter on it.


    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.


        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.


           Rarity
          Boss on Parade
           Rarity
          Boss on Parade
          Boss on Parade
          Spell Continuous
          Boss on Parade

            When this card is activated: Add 1 "B.E.S." monster from your Deck to your hand. Once per turn, during your Main Phase: You can destroy 1 monster in your hand or field, and if you do, Special Summon 1 LIGHT Machine monster with 1200 ATK and 1000 or less DEF from your Deck to either field. You can banish this card from your GY; place 1 "Boss Rush" from your Deck or GY, face-up on your field. You can only activate 1 "Boss on Parade" per turn.


            UR Rarity
            Final Bringer of the End Times
            UR Rarity
            Final Bringer of the End Times
            Final Bringer of the End Times
            Spell Quick
            Final Bringer of the End Times

              Target 1 monster you control and 1 card your opponent controls; destroy them. You can only activate 1 "Final Bringer of the End Times" per turn.


              UR Rarity
              Final Bringer of the End Times
              UR Rarity
              Final Bringer of the End Times
              Final Bringer of the End Times
              Spell Quick
              Final Bringer of the End Times

                Target 1 monster you control and 1 card your opponent controls; destroy them. You can only activate 1 "Final Bringer of the End Times" per turn.


                UR Rarity
                Final Bringer of the End Times
                UR Rarity
                Final Bringer of the End Times
                Final Bringer of the End Times
                Spell Quick
                Final Bringer of the End Times

                  Target 1 monster you control and 1 card your opponent controls; destroy them. You can only activate 1 "Final Bringer of the End Times" per turn.


                  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):

                        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
                          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.




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