Ash Blossom & Joyous Spring

Zombie/Tuner/Effect

When a card or effect is activated that includes any of these effects (Quick Effect): You can discard this card; negate that effect.
• Add a card from the Deck to the hand.
• Special Summon from the Deck.
• Send a card from the Deck to the GY.
You can only use this effect of "Ash Blossom & Joyous Spring" once per turn.

Balancer Lord

Cyberse/Effect

Once per turn: You can pay 1000 LP; during your Main Phase this turn, you can Normal Summon 1 Cyberse monster, in addition to your Normal Summon/Set. (You can only gain this effect once per turn.) If this card is banished: You can Special Summon 1 Level 4 or lower monster from your hand. You can only use this effect of "Balancer Lord" once per turn.

Mathmech Addition

Cyberse/Effect

You can target 1 face-up monster on the field; you cannot Special Summon monsters from the Extra Deck for the rest of this turn, except Cyberse monsters, also Special Summon this card from your hand (but it cannot attack this turn), and if you do, the targeted monster gains 1000 ATK until the end of this turn. You can only use this effect of "Mathmech Addition" once per turn.

Mathmech Division

Cyberse/Effect

You can Tribute 1 Cyberse monster you control in the Extra Monster Zone; Special Summon up to 1 Level 4 Cyberse monster each from your hand and GY. If this card is sent to the GY: You can target 1 face-up monster on the field; its ATK becomes halved until the end of this turn. You can only use each effect of "Mathmech Division" once per turn.

Mathmech Multiplication

Cyberse/Effect

You can target 1 Level 4 Cyberse monster you control; its Level becomes 8 until the end of this turn. If this card is sent to the GY: You can target 1 Cyberse monster you control in the Extra Monster Zone; its ATK becomes doubled until the end of this turn. You can only use each effect of "Mathmech Multiplication" once per turn.

Mathmech Nabla

Cyberse/Tuner/Effect

You can Tribute 1 Cyberse monster; Special Summon 1 "Mathmech" monster from your Deck. If this card is sent to the GY: You can target 1 Cyberse monster you control in the Extra Monster Zone; it can make up to 2 attacks on monsters during each Battle Phase this turn. You can only use each effect of "Mathmech Nabla" once per turn.

Mathmech Sigma

Cyberse/Tuner/Effect

If you control no monsters in the Extra Monster Zone, while this card is in your hand or GY: You can Special Summon this card, but banish it when it leaves the field, also you cannot Special Summon monsters from the Extra Deck for the rest of this turn, except Cyberse monsters. You can only use this effect of "Mathmech Sigma" once per turn. If this card you control is used as Synchro Material for a "Mathmech" monster, you can treat it as a non-Tuner.

Mathmech Subtraction

Cyberse/Effect

You can target 1 face-up monster on the field; you cannot Special Summon monsters from the Extra Deck for the rest of this turn, except Cyberse monsters, also Special Summon this card from your hand (but it cannot attack this turn), and if you do, the targeted monster loses 1000 ATK until the end of this turn. You can only use this effect of "Mathmech Subtraction" once per turn.

ROM Cloudia

Cyberse/Effect

When this card is Normal Summoned: You can target 1 Cyberse monster in your GY, except "ROM Cloudia"; add it to your hand. If this card is destroyed by battle or card effect: You can Special Summon 1 Level 4 or lower Cyberse monster from your Deck, except "ROM Cloudia".

Called by the Grave

Target 1 monster in your opponent's GY; banish it, and if you do, monsters with the same original name as that banished monster have their effects negated until the end of the next turn.

Cynet Backdoor

Target 1 Cyberse monster you control; banish it, and if you do, add 1 Cyberse monster from your Deck to your hand, whose ATK is lower than that monster's original ATK. During your next Standby Phase, return that monster banished by this effect to the field, and it can attack directly that turn. You can only activate 1 "Cynet Backdoor" per turn.

Cynet Mining

Send 1 card from your hand to the GY; add 1 Level 4 or lower Cyberse monster from your Deck to your hand. You can only activate 1 "Cynet Mining" per turn.

Mathmech Billionblade Nayuta

Equip only to a Cyberse monster. If the equipped monster battles an opponent's monster, during damage calculation: You can send 1 "Mathmech" monster from your Deck to the GY; the equipped monster gains ATK equal to the sent monster's ATK, until the end of this turn (even if this card leaves the field). If this card is sent from the Spell & Trap Zone to the GY: You can target 1 "Mathmech" card in your GY, except "Mathmech Billionblade Nayuta"; add it to your hand. You can only use each effect of "Mathmech Billionblade Nayuta" once per turn.

Mathmech Equation

Target 1 "Mathmech" monster in your GY; Special Summon it, and if you do, it gains 1000 ATK until the end of this turn. You can only activate 1 "Mathmech Equation" per turn.

One-Time Passcode

Special Summon 1 "Security Token" (Cyberse/LIGHT/Level 4/ATK 2000/DEF 2000) in Defense Position. You can only activate 1 "One-Time Passcode" per turn.

Mathmech Induction

All Cyberse monsters you control gain 500 ATK. If you control a "Mathmech" monster: You can send this face-up card from the field to the GY, then target 1 card your opponent controls; destroy it. You can only use this effect of "Mathmech Induction" once per turn.

Mathmech Superfactorial

Target up to 3 "Mathmech" monsters in your GY with different names, then activate 1 of these effects;
• Special Summon them, but their effects are negated, then, immediately after this effect resolves, Synchro Summon 1 "Mathmech" Synchro Monster using only those monsters, and shuffle the materials into the Deck instead of sending them to the GY.
• Special Summon them, but their effects are negated, then, immediately after this effect resolves, Xyz Summon 1 "Mathmech" Xyz Monster using only those monsters.
You can only activate 1 "Mathmech Superfactorial" per turn.

Salamangreat Almiraj

Cyberse/Link/Effect

1 Normal Summoned monster with 1000 or less ATK
(Quick Effect): You can Tribute this card, then target 1 monster you control; it cannot be destroyed by your opponent's card effects this turn. When a Normal Summoned monster you control is destroyed by battle, while this card is in your GY: You can Special Summon this card. You can only use this effect of "Salamangreat Almiraj" once per turn.

Transcode Talker

Cyberse/Link/Effect

2+ Effect Monsters
When this card is co-linked, it and its co-linked monsters gain 500 ATK, also your opponent cannot target any of them with card effects. You can target 1 Link-3 or lower Cyberse Link Monster in your GY, except "Transcode Talker": Special Summon it to your zone this card points to. You cannot Special Summon monsters the turn you activate this effect, except Cyberse monsters. You can only use this effect of "Transcode Talker" once per turn.

Update Jammer

Cyberse/Link/Effect

2 Level 2 or higher Cyberse monsters
Once per battle, if your Cyberse monster battles, during damage calculation (Quick Effect): You can activate this effect; negate all card effects on the field (other than this card's) until the end of the Damage Step, damage calculation for this battle uses each monster's original ATK/DEF, also, if the opponent's monster is destroyed by that battle and sent to the GY, inflict 1000 damage to your opponent. If this card is sent to the GY as Link Material: You can activate this effect; the Link Monster that used this card as Link Material can make a second attack during each Battle Phase this turn.

Geomathmech Final Sigma

Cyberse/Synchro/Effect

1 Tuner + 1+ non-Tuner monsters
Unaffected by card effects, except "Mathmech" cards, while in the Extra Monster Zone. If this card in the Extra Monster Zone battles an opponent's monster, any battle damage it inflicts to your opponent is doubled. If this card is destroyed by battle, or if this card in its owner's possession is destroyed by an opponent's card effect: You can add 1 "Mathmech" card from your Deck to your hand. You can only use this effect of "Geomathmech Final Sigma" once per turn.

Geomathmech Magma

Cyberse/Synchro/Tuner/Effect

1 Tuner + 1+ non-Tuner monsters
When this card destroys a monster by battle: You can target up to 2 cards your opponent controls; destroy them. If this card is destroyed by battle, or if this card in its owner's possession is destroyed by an opponent's card effect: You can add 1 "Mathmech" Spell/Trap from your Deck to your hand. You can only use each effect of "Geomathmech Magma" once per turn.

Primathmech Alembertian

Cyberse/Xyz/Effect

2+ Level 4 monsters
You can Tribute 1 monster; Special Summon 1 Level 4 "Mathmech" monster from your hand or GY. If this card is Xyz Summoned: You can detach 2 to 4 materials from this card, then activate the appropriate effect;
• 2: Add 1 "Mathmech" card from your Deck to your hand.
• 3: Add 1 Level 4 monster from your Deck to your hand.
• 4: Add 1 Spell/Trap from your Deck to your hand.
You can only use each effect of "Primathmech Alembertian" once per turn.

Primathmech Laplacian

Cyberse/Xyz/Effect

3 Level 4 monsters
If a "Mathmech" card(s) you control would be destroyed by card effect, you can detach 1 material from this card instead. If this card is Xyz Summoned: You can detach up to 3 materials from it, then choose that many effects (you cannot choose the same effect twice, and you resolve them in the listed order, skipping any that were not chosen);
• Send 1 random card from your opponent's hand to the GY.
• Send 1 monster your opponent controls to the GY.
• Send 1 Spell/Trap your opponent controls to the GY.
You can only use this effect of "Primathmech Laplacian" once per turn.