WATER 2

Once per turn, you can flip this card into face-down Defense Position. When this card is flipped face-up, you can return monsters your opponent controls to their owners' hand up to the number of face-up "Frog" monsters you control, except "Frog the Jam".

WATER 2

Once per turn, you can flip this card into face-down Defense Position. When this card is flipped face-up, you can return monsters your opponent controls to their owners' hand up to the number of face-up "Frog" monsters you control, except "Frog the Jam".

WATER 2

Once per turn, you can flip this card into face-down Defense Position. When this card is flipped face-up, you can return monsters your opponent controls to their owners' hand up to the number of face-up "Frog" monsters you control, except "Frog the Jam".

EARTH 4

Once per turn: You can change this card to face-down Defense Position. When this card is Flip Summoned: Target 1 monster your opponent controls; return that target to the hand.

EARTH 4

Once per turn: You can change this card to face-down Defense Position. When this card is Flip Summoned: Target 1 monster your opponent controls; return that target to the hand.

EARTH 11

FLIP: You can target 1 monster on the field; change it to face-up Attack Position if it is in Defense Position, also change its ATK to 0. You can only use this effect of "Subterror Behemoth Speleogeist" 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 11

FLIP: You can target 1 monster on the field; change it to face-up Attack Position if it is in Defense Position, also change its ATK to 0. You can only use this effect of "Subterror Behemoth Speleogeist" 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 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 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 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 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 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.

Spell Quick

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

Spell Quick

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

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.

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.

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.

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.

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.