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.

The 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.

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.

Target 1 face-up "Ninja" monster you control; it cannot be destroyed by battle.

Activate this card by Tributing 1 "Ninja" monster; Special Summon any number of "Ninja" monsters from your Deck, in face-up Attack Position and/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.

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.

Special 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.

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.

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.

Activate 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.

Spellcaster / Synchro / Pendulum / Effect

Pendulum Effect: If a Pendulum Monster you control attacks, for that battle, it cannot be destroyed by battle, also you take no battle damage. At the end of the Damage Step, if a Pendulum Monster you control attacked: All monsters your opponent currently controls lose ATK equal to that attacking monster's ATK, until the end of this turn.

Monster Effect: 1 Tuner + 1+ non-Tuner Synchro Monsters

For this card's Synchro Summon, you can treat 1 Pendulum Summoned Pendulum Monster you control as a Tuner. If this card is Synchro Summoned using a Pendulum Summoned Pendulum Monster Tuner: You can target 1 card in your GY; add it to your hand. When this card destroys an opponent's monster by battle: You can halve your opponent's LP. If this card in the Monster Zone is destroyed by battle or card effect: You can place this card in your Pendulum Zone.

Machine / Tuner / Effect

If this card is sent to the Graveyard for the Synchro Summon of a "Nitro" Synchro Monster: Draw 1 card.

Equip only to a monster on your opponent's side of the field. When the equipped monster is destroyed by battle and sent to the Graveyard, inflict damage to your opponent equal to the ATK of the equipped monster.

Warrior / Synchro / Effect

"Nitro Synchron" + 1 or more non-Tuner monsters

Once during each of your turns, if you activate a Spell Card, this card gains 1000 ATK during the next attack this turn involving this card, during damage calculation only. If this attacking card destroys an opponent's monster by battle, after damage calculation: You can target 1 face-up Defense Position monster your opponent controls; change that target to Attack Position, then this card can make a second attack in a row, on that monster.

Discard 1 monster, then target 1 face-up monster on the field; it loses ATK equal to the discarded monster's original ATK.

Winged Beast / Normal

Swallows enemies whole and uses their essence as energy.

Change all Attack Position monsters to Defense Position.

Mai / Skill

Once per turn, at the end of your Battle Phase, if a monster you control inflicted battle damage to your opponent this turn, you can destroy 1 Spell/Trap on the field.

Don Zaloog / Skill

Once per Duel, during your Main Phase, if you control "Don Zaloog", you can discard 1 card to Special Summon 2 "Dark Scorpion" monsters with different names from your hand and Deck (1 from each). "Don Zaloog" and "Dark Scorpion" monsters you control can attack directly, but when they do so using this Skill, the battle damage inflicted to your opponent becomes 400. You cannot Summon or Set any monsters except "Don Zaloog" and/or "Dark Scorpion" monsters.

You can only control 1 "Noble Arms - Arfeudutyr". Equip only to a Warrior-Type monster. Once per turn: You can target 1 Set card your opponent controls; the equipped monster loses exactly 500 ATK, and if it does, destroy that target. (This ATK loss remains even if this card leaves the field or the monster becomes unaffected by card effects.) If this face-up card on the field is destroyed and sent to the Graveyard: You can target 1 Warrior-Type "Noble Knight" monster you control; equip this card to that target. You can only use this effect of "Noble Arms - Arfeudutyr" once per turn.

You can only control 1 "Noble Arms - Caliburn". Equip only to a Warrior-Type monster. It gains 500 ATK. Once per turn: You can gain 500 LP. If this face-up card on the field is destroyed and sent to the Graveyard: You can target 1 Warrior-Type "Noble Knight" monster you control; equip this card to that target. You can only use this effect of "Noble Arms - Caliburn" once per turn.

Equip only to a Warrior monster. You can only control 1 "Noble Arms - Clarent". Once per turn: You can pay 500 LP; the equipped monster can attack directly this turn. If this face-up card on the field is destroyed and sent to the GY: You can target 1 Warrior "Noble Knight" monster you control; equip this card to that target. You can only use this effect of "Noble Arms - Clarent" once per turn.

Equip only to a "Noble Knight" monster. It cannot be targeted by an opponent's card effects. During your turn, except the turn this card was sent to the Graveyard: You can banish this card from your Graveyard, then target 1 "Noble Knight" Xyz Monster you control; Special Summon from your Extra Deck, 1 "Noble Knight" Xyz Monster with a different name, by using that target as the Xyz Material. (This Special Summon is treated as an Xyz Summon. Xyz Materials attached to it also become Xyz Materials on the Summoned monster.) You can only use this effect of "Noble Arms - Excaliburn" once per turn.

You can only control 1 "Noble Arms - Gallatin". Equip only to a Warrior-Type monster. It gains 1000 ATK. During each of your Standby Phases, it loses 200 ATK. If this face-up card on the field is destroyed and sent to the Graveyard: You can target 1 Warrior-Type "Noble Knight" monster you control; equip this card to that target. You can only use this effect of "Noble Arms - Gallatin" once per turn.

All FIRE Warrior monsters you control gain 500 ATK. Once per turn: You can pay 1200 LP; add 1 "Noble Arms" card from your Deck to your hand, except "Noble Arms Museum". Once per turn, if the previous effect was applied this turn: You can target 1 "Noble Knight" Monster Card in your Spell & Trap Zone; Special Summon it, also, if you activated this effect while you did not control "Infernoble Knight Emperor Charles", you cannot Special Summon monsters for the rest of this turn, except Warrior monsters.