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

2 EARTH monsters "Krawler" monsters this card points to cannot be destroyed by battle, gain 300 ATK/DEF, and can make up to 2 attacks on monsters during each Battle Phase. If this face-up card is destroyed by battle, or leaves the field because of an opponent's card effect while its owner controls it: You can target 2 "Krawler" monsters with different names in your GY; Special Summon them in face-down Defense Position.

DARK 4

FLIP: You can Special Summon 1 Flip monster from your hand or GY in face-down Defense Position, except "Tindangle Angel", then, if it is your opponent's Battle Phase, end the Battle Phase. You can only use this effect of "Tindangle Angel" once per turn.

Spell Quick

Target 1 monster you control and 1 monster your opponent controls; apply the following effect on each monster, depending on its battle position. ● Face-up: Change it to face-down Defense Position. ● Face-down: Change it to face-up Defense Position. You can only activate 1 "Sol and Luna" per turn.

EARTH

2 "Krawler" monsters If this face-up card is destroyed by battle, or leaves the field because of an opponent's card effect while its owner controls it: You can target 2 "Krawler" monsters with different names in your GY; Special Summon them in face-down Defense Position. Apply these effects based on the number of "Krawler" monsters you control. ● 2+: All monsters you control gain 300 ATK/DEF. ● 4+: Your opponent's cards and effects cannot be activated during the Battle Phase. ● 6+: Your monsters can attack directly.

EARTH 9

When your opponent activates a card or effect that targets this face-down monster (Quick Effect): You can change this card to face-up Defense Position; negate the activation, and if you do, destroy that card. After this card was flipped face-up, while it is in the Monster Zone, negate all monster effects activated on your opponent's field. If this card on the field is destroyed by battle or card effect: You can add, from your Deck to your hand, 1 Level 9 monster with a different original Type and Attribute than this card. You can only use this effect of "Deus X-Krawler" once per turn.

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.

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.

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.

EARTH 6

You can target 1 face-up monster you control; Special Summon this card from your hand, and if you do, change the targeted monster to face-down Defense Position, also it cannot change its battle position for the rest of this turn. During your Main Phase: You can reduce this card's Level by 2 or 4, and if you do, Special Summon "Krawler" monster(s) with different names from your hand, Deck, or GY whose total Levels equal the amount reduced, in face-up and/or face-down Defense Position. You can only use each effect of "Krawler Soma" once per turn.

EARTH 2

FLIP: You can target 1 monster on the field; destroy that monster. If this face-up card in its owner's control leaves the field because of an opponent's card effect: You can Special Summon 2 "Krawler" monsters with different names from your Deck in face-down Defense Position, except "Krawler Spine". You can only use each effect of "Krawler Spine" once per turn.

EARTH

2 Insect monsters "Krawler" monsters this card points to cannot be destroyed by battle, gain 300 ATK/DEF, and if they battle your opponent's monster, any battle damage they inflict to your opponent is doubled. If this face-up card is destroyed by battle, or leaves the field because of an opponent's card effect while its owner controls it: You can target 2 "Krawler" monsters with different names in your GY; Special Summon them in 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.

Trap Continuous

You can target 1 face-down monster you control; change it to face-up Attack or Defense Position. You can shuffle 1 "Krawler" monster from your GY into the Main Deck, then target 1 face-up monster you control; change it to face-down Defense Position. You can only use 1 "World Legacy Pawns" effect per turn, and only once that turn.

EARTH 2

FLIP: You can add 1 "Krawler" monster from your Deck to your hand. If this face-up card in its owner's control leaves the field because of an opponent's card effect: You can Special Summon 2 "Krawler" monsters with different names from your Deck in face-down Defense Position, except "Krawler Receptor". You can only use each effect of "Krawler Receptor" once per turn.

EARTH 2

FLIP: You can Special Summon 1 "Krawler" monster from your hand or GY, in face-up Attack Position or face-down Defense Position, except "Krawler Glial". If this face-up card in its owner's control leaves the field because of an opponent's card effect: You can Special Summon 2 "Krawler" monsters with different names from your Deck in face-down Defense Position, except "Krawler Glial". You can only use each effect of "Krawler Glial" once per turn.

Spell Normal

Excavate the top 5 cards of your Deck, and if you do, add 1 excavated "Krawler" monster or "World Legacy" card to your hand, also send the remaining cards to the GY. Otherwise, shuffle all excavated cards into the Deck. For the rest of this turn after this card resolves, you cannot Special Summon monsters from the Extra Deck, except Link Monsters. You can only activate 1 "World Legacy Survivor" per turn.

EARTH

2 Flip monsters Gains ATK equal to the combined original Levels of the "Subterror" monsters used for its Link Summon x 100. During your Main Phase: You can send 1 Flip monster from your Deck to the GY, and if you do, Special Summon 1 monster from your hand in face-down Defense Position to your zone this card points to. You can only use this effect of "Subterror Behemoth Fiendess" once per turn. Once per turn, if a monster this card points to is flipped face-up: Add 1 Flip monster from your Deck or GY to your hand.

Spell Continuous

Your opponent cannot target face-down Defense Position monsters you control with card effects. Monsters you control that were flipped face-up while this card was face-up on the field gain 1500 ATK/DEF. If this card in its owner's Spell & Trap Zone is destroyed by an opponent's card effect: You can target 1 monster in your GY; Special Summon it in face-down Defense Position.

EARTH 2

FLIP: You can target 1 Spell/Trap on the field; destroy it. If this face-up card in its owner's control leaves the field because of an opponent's card effect: You can Special Summon 2 "Krawler" monsters with different names from your Deck in face-down Defense Position, except "Krawler Axon". You can only use each effect of "Krawler Axon" 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.

EARTH 5

FLIP: You can target Set cards on the field, equal to the number of "Subterror Behemoth" monsters you control; destroy them. You can only use this effect of "Subterror Behemoth Stygokraken" 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 6

You can target 1 face-up monster you control; Special Summon this card from your hand, and if you do, change the targeted monster to face-down Defense Position, also it cannot change its battle position for the rest of this turn. During your Main Phase: You can reduce this card's Level by 2 or 4, and if you do, Special Summon "Krawler" monster(s) with different names from your hand, Deck, or GY whose total Levels equal the amount reduced, in face-up and/or face-down Defense Position. You can only use each effect of "Krawler Soma" 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.

EARTH

2 Flip monsters Gains ATK equal to the combined original Levels of the "Subterror" monsters used for its Link Summon x 100. During your Main Phase: You can send 1 Flip monster from your Deck to the GY, and if you do, Special Summon 1 monster from your hand in face-down Defense Position to your zone this card points to. You can only use this effect of "Subterror Behemoth Fiendess" once per turn. Once per turn, if a monster this card points to is flipped face-up: Add 1 Flip monster from your Deck or GY to your hand.

EARTH

2 "Krawler" monsters If this face-up card is destroyed by battle, or leaves the field because of an opponent's card effect while its owner controls it: You can target 2 "Krawler" monsters with different names in your GY; Special Summon them in face-down Defense Position. Apply these effects based on the number of "Krawler" monsters you control. ● 2+: All monsters you control gain 300 ATK/DEF. ● 4+: Your opponent's cards and effects cannot be activated during the Battle Phase. ● 6+: Your monsters can attack directly.