WIND 2

If a monster(s) is Special Summoned to your field face-up (except during the Damage Step): You can target 1 of them; Special Summon this card from your hand, and if you do, change that monster to face-down Defense Position. If this card is sent from the hand or field to the GY: You can target 1 monster on the field; change it to face-up Attack Position or face-down Defense Position. You can only use each effect of "Green Ninja" once per turn.

FIRE 4

If this card is Normal Summoned, Special Summoned, or flipped face-up: You can Special Summon 1 "Ninja" monster from your hand or GY in face-down Defense Position, except "Kagero the Cannon Ninja". When your opponent activates a card or effect that targets exactly 1 "Ninja" card or exactly 1 face-down Defense Position monster you control, while this card is in your GY (Quick Effect): You can Special Summon this card in face-down Defense Position, and if you do, return that targeted card to the hand. You can only use each effect of "Kagero the Cannon Ninja" once per turn.

WATER 2

If you control a "Ninja" card or a face-down Defense Position monster: You can Special Summon this card from your hand. When your opponent activates a monster effect (Quick Effect): You can target 1 face-down Defense Position monster you control; change it to face-up Defense Position, and if you do, change this card to face-down Defense Position, then, if the targeted monster was a "Ninja" monster, except "Mitsu the Insect Ninja", negate that opponent's activated effect. You can only use each effect of "Mitsu the Insect Ninja" once per turn.

DARK 4

When this card is Normal Summoned: You can add 1 "Ninjitsu Art" card from your Deck to your hand. When this card is Flip or Special Summoned: You can add 1 "Ninja" monster from your Deck to your hand, except "Ninja Grandmaster Hanzo".

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 1

This card cannot be destroyed by battle or card effect the turn it was Special Summoned or flipped face-up. You can only use each of the following effects of "Tobari the Sky Ninja" once per turn. You can send this card from your hand to the GY; Special Summon 1 "Ninja" monster from your hand in face-up or face-down Defense Position. During your opponent's Main or Battle Phase (Quick Effect): You can Fusion Summon 1 "Ninja" Fusion Monster from your Extra Deck, using monsters from your hand or field as material.

EARTH 9

FLIP: You can add 1 "Prediction Princess" monster, except "Prediction Princess Bibliomuse", and 1 Ritual Spell from your Deck to your hand. If this card is Tributed and sent to the GY: You can Special Summon this card in face-down Defense Position. You can only use each of the preceding effects of "Prediction Princess Bibliomuse" once per turn. Your opponent cannot target Ritual Monsters you control with card effects, also they cannot be destroyed by your opponent's card effects.

EARTH 8

FLIP: You can send 1 card from your Deck to the Graveyard. You can only use this effect of "Subterror Behemoth Phospheroglacier" 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 10

FLIP: You can discard 1 "Subterror" monster, and if you do, draw 2 cards. You can only use this effect of "Subterror Behemoth Stalagmo" 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 9

FLIP: You can target 1 Set monster your opponent controls; take control of it until your next End Phase. You can only use this effect of "Subterror Behemoth Voltelluric" 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 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.

DARK 6

2 "Ninja" monsters with different Types Must first be either Fusion Summoned, or Special Summoned from your Extra Deck by Tributing the above cards you control. Your "Ninja" monsters can attack directly. While you control a face-down Defense Position monster, your opponent's monsters cannot target this card for attacks. When your opponent activates a card or effect (Quick Effect): You can Special Summon 1 "Ninja" monster from your Deck in face-up or face-down Defense Position. You can only use this effect of "Meizen the Battle Ninja" once per turn.

LIGHT

2 "Ninja" monsters During your Main Phase: You can Set 1 "Ninjitsu Art" Spell/Trap directly from your Deck. You can only use this effect of "Ninja Grandmaster Saizo" once per turn. While this card points to a monster(s), this card cannot be targeted for an attack, also your opponent cannot target it with card effects.

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.

LIGHT 9

You can Ritual Summon this card with "Prediction Ritual". Once per turn, during your End Phase: You can Special Summon 1 Flip monster from your hand or Graveyard in face-down Defense Position. You can only use 1 of the following effects of "Prediction Princess Tarotrei" per turn, and only once that turn. ● During either player's turn: You can target 1 face-down monster on the field; change it to face-up Attack Position. ● During either player's turn: You can target 1 face-up monster on the field; change it to face-down Defense Position.

DARK 9

You can Ritual Summon this card with "Underworld Ritual of Prediction". Must be Ritual Summoned, or Special Summoned with "Prediction Princess Tarotrei". You can only use each effect of "Prediction Princess Tarotreith" once per turn. (Quick Effect): You can activate 1 of these effects; ● Flip any number of face-down monsters you control to face-up Defense Position. ● Flip any number of face-up monsters you control to face-down Defense Position. FLIP: You can Special Summon 1 Flip monster from your Deck in face-down Defense Position.

LIGHT

2 Level 2 monsters This card cannot be destroyed by battle while it has Xyz Material. At the end of the Damage Step, if this card battled an opponent's monster: You can detach 1 Xyz Material from this card; return the opponent's monster from the field to the hand.

Spell Quick

If your opponent controls a card: You can Set up to 1 "Ninja" monster, and up to 1 "Ninjitsu Art" Spell/Trap, except "Ninjitsu Art Notebook of Mystery". These cards come from your Deck and/or GY, but only 1 can come from each. If this Set card on the field is sent to the GY: You can target 1 face-up monster on the field; change it to face-down Defense Position. You can only use each effect of "Ninjitsu Art Notebook of Mystery" once per turn.

Spell Normal

This card is used to Ritual Summon "Prediction Princess Tarotrei". You must also Tribute monsters from your hand or field whose total Levels equal 9 or more. During your Main Phase, except the turn this card was sent to the Graveyard: You can banish this card from your Graveyard; add 1 "Prediction Princess" monster 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.

Trap Continuous

Activate this card by targeting 1 "Ninja" monster or 1 face-down Defense Position monster on the field; Tribute it, and if you do, Special Summon 1 "Ninja" monster from your Deck. When this card leaves the field, send that monster to the GY. You can target 1 "Ninjitsu Art" Continuous Spell/Trap in your Spell & Trap Zone; return it to the hand. You can only use 1 "Ninjitsu Art of Dancing Leaves" effect per turn, and only once that turn.

Trap Continuous

Tribute 1 "Ninja" monster, then target 1 monster in your opponent's GY; Special Summon it to your field. It is also treated as a "Ninja" monster while this card is face-up on the field. When this card leaves the field, send that monster to the GY. You can only activate 1 "Ninjitsu Art of Mirage-Transformation" per turn.

Trap Continuous

Tribute 1 "Ninja" monster to target 1 monster your opponent controls; banish that target. While that card is banished, its Monster Card Zone cannot be used. When this face-up card leaves the field: Return the card banished by this effect to the same Monster Card Zone, in the same battle position.

Trap Continuous

Activate this card by targeting 1 "Ninja" monster you control and 1 face-up monster your opponent controls; send them to the GY, then Special Summon 1 Dragon, Dinosaur, or Sea Serpent monster from your Deck whose Level is less than or equal to the combined original Levels of the sent monster(s). When this card leaves the field, banish that monster.

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. ● Send 1 monster from your hand or face-up field to the GY, and if you do, add 1 Flip monster from your Deck to your hand with the same Attribute, but a different name, as that monster before it was sent to the GY. ● Send 1 Flip monster from your hand or face-up field to the GY, and if you do, add 1 monster from your Deck to your hand with the same Attribute but a lower original Level, as that monster before it was sent to the GY. You can only activate 1 "Subterror Succession" per turn.