Armor Ninjitsu Art of Alchemy
Normal SpellIf you control a "Ninjitsu Art" card: Destroy as many other "Ninjitsu Art" cards you control as possible, then draw 2 cards.
Armor Ninjitsu Art of Freezing
Continuous TrapWhen an opponent's monster declares an attack, if you control a "Ninja" monster: You can flip this card face-up; negate that attack and end the Battle Phase. While this card is face-up on the field and you control a "Ninja" monster, monsters your opponent controls cannot change their battle positions.
Armor Ninjitsu Art of Rust Mist
Continuous TrapWhen a monster(s) is Special Summoned to your opponent's field, if you control a "Ninja" monster: Halve the current ATK of that Special Summoned monster(s).
Hidden Village of Ninjitsu Arts
Field SpellIf a "Ninja" monster is Summoned to your field: You can target 1 "Ninja" monster or 1 "Ninjitsu Art" card in your GY; add it to your hand, but you cannot activate cards, or the effects of cards, with that name for the rest of this turn. If a "Ninja" monster(s) or "Ninjitsu Art" card(s) you control would be destroyed by battle or an opponent's card effect, you can banish 1 "Ninja" monster from your GY instead. You can only use each effect of "Hidden Village of Ninjitsu Arts" once per turn.
Ninjitsu Art Notebook
Continuous SpellOnce per turn: You can send 1 "Ninja" monster from your hand to the GY; Set 1 "Ninjitsu Art" Spell/Trap directly from your Deck, except "Ninjitsu Art Notebook".
Ninjitsu Art Notebook of Mystery
Quick-Play SpellIf 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.
Ninjitsu Art of Dancing Leaves
Continuous TrapActivate 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.
Ninjitsu Art of Decoy
Continuous TrapTarget 1 face-up "Ninja" monster you control; it cannot be destroyed by battle.
Ninjitsu Art of Duplication
Continuous TrapTribute 1 "Ninja" monster; Special Summon any number of "Ninja" monsters from your Deck, in face-up Attack Position or face-down Defense Position, with combined Levels less than or equal to the Level of the Tributed monster. When this card leaves the field: Destroy those monsters.
Ninjitsu Art of Mirage-Transformation
Continuous TrapTribute 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.
Ninjitsu Art of Mosquito Marching
Normal SpellSpecial Summon up to 2 Level 4 or lower Insect monsters from your hand (with the same Level, if Summoning 2). If you control "Number 2: Ninja Shadow Mosquito": You can banish this card from your GY, then target face-up monsters your opponent controls up to the number of Insect monsters you control; place 1 Hallucination Counter on each of those monsters. (The effects, if any, of monsters with Hallucination Counters are negated.) You can only use each effect of "Ninjitsu Art of Mosquito Marching" once per turn.
Ninjitsu Art of Shadow Sealing
Continuous TrapTribute 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.
Ninjitsu Art of Super-Transformation
Continuous TrapActivate 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.
Ninjitsu Art of Transformation
Continuous TrapActivate this card by Tributing 1 face-up "Ninja" monster; Special Summon 1 Beast, Winged Beast, or Insect monster from your hand or Deck whose Level is less than or equal to the Level the Tributed monster had on the field +3. When this card leaves the field, destroy that monster.
Ninjitsu Art Tool - Iron Digger
Equip SpellThe equipped monster gains 500 ATK, also it is treated as a "Ninja" monster. You can only use each of the following effects of "Ninjitsu Art Tool - Iron Digger" once per turn. You can banish 1 "Ninja" monster from your GY, then target 1 card on the field; destroy it. If this card is sent from the field to the GY: You can target 1 of your banished "Ninja" monsters; add it to your hand or Special Summon it in face-down Defense Position.