Wind-Up Factory [GENF-EN054] Super Rare 33 but its original ATK becomes

but its original ATK becomes 0

Set: Force of the Breaker Card type: Effect Monster Rarity: Ultimate Rare Attack: 100 Defense: 0 Once per turn

this card gains that lost ATK

Set: Absolute Powerforce Card type: Effect Monster Rarity: Common Attack: 0 Defense: 0 Neither player can Normal Summon or Special Summon DARK monsters or declare an attack with a DARK monster

You can only use this effect of "D/D Savant Nikola" once per turn

Wind-Up Factory [GENF-EN054] Super Rare 33 but its original ATK becomesSet: Generation Force Card type: Continuous Spell Rarity: Super Rare Once per turn, if an effect of a "Wind Up" monster is activated: You can add 1 Level 4 or lower "Wind Up" monster from your Deck to your hand.