Mathmech Billionblade Nayuta
Equip SpellEquip 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
Normal SpellTarget 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.
Mathmech Induction
Continuous TrapAll 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
Normal TrapTarget up to 3 "Mathmech" monsters in your GY with different names, then activate 1 of these effects;
â—Ź 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.
â—Ź 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.