Spell Normal

Excavate the top 3 cards of your Deck, add 1 of them to your hand, also, after that, shuffle the rest back into your Deck. You can only activate 1 "Pot of Duality" per turn. You cannot Special Summon during the turn you activate this card.

LIGHT 9

1 "Dragonmaid" monster + 1 Dragon monster Once per turn, during the Standby Phase: You can target 1 other "Dragonmaid" monster you control; Special Summon 1 "Dragonmaid" monster from your hand or GY in Defense Position, whose Level is 1 higher or 1 lower than it. When another face-up Dragon monster(s) you control returns to your hand (except during the Damage Step): You can target 1 monster your opponent controls; destroy it.

Spell Field

When this card is activated: You can add 1 "Subterror" monster from your Deck to your hand. Once per turn: You can change 1 face-down Defense Position "Subterror" monster you control to face-up Attack or Defense Position. Once per turn, when an opponent's monster declares an attack: You can change 1 face-down Defense Position "Subterror" monster you control to face-up Attack or Defense Position, then you can negate the attack. You can only activate 1 "The Hidden City" per turn.

LIGHT

4+ Effect Monsters You can also use 1 monster your opponent controls as material to Link Summon this card. If this card is Link Summoned: You can negate the effects of all face-up monsters your opponent currently controls. This Link Summoned card is unaffected by your opponent's activated effects, unless they target this card. Once per turn, when your opponent activates a card or effect that Special Summons a monster(s) from the GY (Quick Effect): You can negate the activation.

LIGHT

3 Level 5 monsters (This card is always treated as "Number C39: Utopia Ray".) Once per turn: You can detach 1 material from this card; equip 1 "ZW -" monster from your Deck or Extra Deck to this card as if it were equipped by that monster's effect. This effect's activation and effect cannot be negated. Once per turn, while this card is equipped with a "ZW -" Monster Card (Quick Effect): You can target 1 Effect Monster your opponent controls; negate its effects, and if you do, halve its ATK.

DARK

2 non-Link Monsters During your opponent's Main Phase, you can (Quick Effect): Immediately after this effect resolves, Link Summon 1 Link Monster using materials you control, including this card. You can only use this effect of "I:P Masquerena" once per turn. A Link Monster that used this card as material cannot be destroyed by your opponent's card effects.

LIGHT 1

During your opponent's Main Phase (Quick Effect): You can send this card from your hand to the GY, then target 1 Effect Monster your opponent controls; negate the effects of that face-up monster your opponent controls, until the end of this turn.

DARK

3+ Effect Monsters If this card is Link Summoned: You can place counters on this card equal to the number of different types of Cyberse monsters in your GY (Ritual, Fusion, Synchro, Xyz). This card gains 2500 ATK for each counter on it during the Battle Phase only. When your opponent activates a monster effect (Quick Effect): You can remove 1 counter from this card; negate the activation, also, if this effect was activated between this card's attack declaration and the end of the Damage Step, this card can make another attack in a row.

Spell Quick

Target 1 face-up monster on the field; change that target to face-down Defense Position.

Trap Normal

Activate 1 of these effects, also, after that, Set this card face-down instead of sending it to the GY. ● Change 1 Set "Subterror" monster on the field to face-up Attack or Defense Position. ● Change 1 face-up "Subterror" monster on the field to face-down Defense Position. ● ATK/DEF of 1 "Subterror" monster on the field become equal to its combined original ATK/DEF until the end of this turn. ● This turn, activated effects of "Subterror" cards cannot be negated.

DARK

2 monsters including an "Unchained Soul" monster During your opponent's Main Phase (Quick Effect): You can target 1 face-up Special Summoned monster your opponent controls; immediately after this effect resolves, Link Summon 1 DARK Link Monster, except "Unchained Soul of Rage", by using only that opponent's monster and this card you control as material. If this card on the field is destroyed by battle or card effect: You can target 1 Fiend monster in your GY, except "Unchained Soul of Rage"; add it to your hand. You can only use each effect of "Unchained Soul of Rage" once per turn.

Spell Continuous

All "Subterror" monsters you control gain 500 ATK and DEF for each Set monster on the field. Once per turn, when a "Subterror" monster you control inflicts battle damage to your opponent: You can target 1 "Subterror" card in your Graveyard, except "Subterror Cave Clash"; add it to your hand.

EARTH 12

FLIP: You can change all other face-up monsters on the field to face-down Defense Position. You can only use this effect of "Subterror Behemoth Ultramafus" once per turn. When a face-up monster you control is flipped face-down, if you control no face-up monsters: You can Special Summon this card from your hand in Defense Position. Once per turn: You can change this card to face-down Defense Position.

EARTH 7

FLIP: You can target 1 monster your opponent controls; banish it. You can only use this effect of "Subterror Behemoth Umastryx" once per turn. When a face-up monster you control is flipped face-down, if you control no face-up monsters: You can Special Summon this card from your hand in Defense Position. Once per turn: You can change this card to face-down Defense Position.

EARTH 1

When your opponent activates a card or effect (Quick Effect): You can send this card from your hand or field to the GY, then target 1 "Subterror" monster you control; negate the activation, then change the targeted monster to face-down Defense Position. You can target 1 face-up monster you control; change it to face-down Defense Position, and if you do, Special Summon 1 "Subterror" monster from your hand or GY, in face-up or face-down Defense Position. You can only use each effect of "Subterror Fiendess" once per turn.

FIRE

2 Level 4 Dinosaur-Type monsters During either player's turn, when a monster(s) would be Normal or Special Summoned, OR a Spell/Trap Card is activated: You can detach 2 Xyz Materials from this card; negate the Summon or activation, and if you do, destroy that card.

LIGHT 10

"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.

Spell Normal

Add 1 Field Spell from your Deck to your hand.

WIND 10

1 Tuner Synchro Monster + "Stardust Dragon" Once per turn: You can excavate the top 5 cards of your Deck, shuffle them back in, also this card's maximum number of attacks per Battle Phase this turn equals the number of Tuner monsters excavated. Once per turn, during either player's turn, when a card or effect is activated that would destroy a card(s) on the field: You can negate the effect, and if you do, destroy it. Once per turn, when an opponent's monster declares an attack: You can target the attacking monster; banish this card, and if you do, negate that attack. During the next End Phase: Special Summon this card banished by this effect.

EARTH 4

FLIP: You can add 1 "Subterror" card from your Deck to your hand, except "Subterror Guru". You can target 1 other face-up monster on the field; change that monster, also this card, to face-down Defense Position. This is a Quick Effect if you control another "Subterror" card. You can only use each effect of "Subterror Guru" once per turn.

EARTH 1

When your opponent activates a card or effect (Quick Effect): You can send this card from your hand or field to the GY, then target 1 "Subterror" monster you control; negate the activation, then change the targeted monster to face-down Defense Position. You can target 1 face-up monster you control; change it to face-down Defense Position, and if you do, Special Summon 1 "Subterror" monster from your hand or GY, in face-up or face-down Defense Position. You can only use each effect of "Subterror Fiendess" once per turn.

EARTH 4

FLIP: You can add 1 "Subterror" card from your Deck to your hand, except "Subterror Guru". You can target 1 other face-up monster on the field; change that monster, also this card, to face-down Defense Position. This is a Quick Effect if you control another "Subterror" card. You can only use each effect of "Subterror Guru" once per turn.

LIGHT 9

1 "Dragonmaid" monster + 1 Dragon monster Once per turn, during the Standby Phase: You can target 1 other "Dragonmaid" monster you control; Special Summon 1 "Dragonmaid" monster from your hand or GY in Defense Position, whose Level is 1 higher or 1 lower than it. When another face-up Dragon monster(s) you control returns to your hand (except during the Damage Step): You can target 1 monster your opponent controls; destroy it.

LIGHT 10

"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.

DARK

3+ Effect Monsters If this card is Link Summoned: You can place counters on this card equal to the number of different types of Cyberse monsters in your GY (Ritual, Fusion, Synchro, Xyz). This card gains 2500 ATK for each counter on it during the Battle Phase only. When your opponent activates a monster effect (Quick Effect): You can remove 1 counter from this card; negate the activation, also, if this effect was activated between this card's attack declaration and the end of the Damage Step, this card can make another attack in a row.

DARK

2 non-Link Monsters During your opponent's Main Phase, you can (Quick Effect): Immediately after this effect resolves, Link Summon 1 Link Monster using materials you control, including this card. You can only use this effect of "I:P Masquerena" once per turn. A Link Monster that used this card as material cannot be destroyed by your opponent's card effects.

WIND 10

1 Tuner Synchro Monster + "Stardust Dragon" Once per turn: You can excavate the top 5 cards of your Deck, shuffle them back in, also this card's maximum number of attacks per Battle Phase this turn equals the number of Tuner monsters excavated. Once per turn, during either player's turn, when a card or effect is activated that would destroy a card(s) on the field: You can negate the effect, and if you do, destroy it. Once per turn, when an opponent's monster declares an attack: You can target the attacking monster; banish this card, and if you do, negate that attack. During the next End Phase: Special Summon this card banished by this effect.

LIGHT 1

During your opponent's Main Phase (Quick Effect): You can send this card from your hand to the GY, then target 1 Effect Monster your opponent controls; negate the effects of that face-up monster your opponent controls, until the end of this turn.

LIGHT

3 Level 5 monsters (This card is always treated as "Number C39: Utopia Ray".) Once per turn: You can detach 1 material from this card; equip 1 "ZW -" monster from your Deck or Extra Deck to this card as if it were equipped by that monster's effect. This effect's activation and effect cannot be negated. Once per turn, while this card is equipped with a "ZW -" Monster Card (Quick Effect): You can target 1 Effect Monster your opponent controls; negate its effects, and if you do, halve its ATK.

Spell Quick

Target 1 face-up monster on the field; change that target to face-down Defense Position.

Spell Normal

Excavate the top 3 cards of your Deck, add 1 of them to your hand, also, after that, shuffle the rest back into your Deck. You can only activate 1 "Pot of Duality" per turn. You cannot Special Summon during the turn you activate this card.

Spell Normal

Add 1 Field Spell from your Deck to your hand.

Spell Field

When this card is activated: You can add 1 "Subterror" monster from your Deck to your hand. Once per turn: You can change 1 face-down Defense Position "Subterror" monster you control to face-up Attack or Defense Position. Once per turn, when an opponent's monster declares an attack: You can change 1 face-down Defense Position "Subterror" monster you control to face-up Attack or Defense Position, then you can negate the attack. You can only activate 1 "The Hidden City" per turn.