Super Polymerization [OP14-EN001] Ultimate Rare 270 but its original ATK becomes

but its original ATK becomes 0

Set: Turbo Pack: Booster Eight Card type: Effect Monster Rarity: Super Rare Attack: 1300 Defense: 1500 When this card is Normal or Special Summoned: You can add 1 "Yellow Gadget" from your Deck to your hand

Set: The Lost Art Promotion Card type: Effect Monster Rarity: Ultra Rare Attack: 1000 Defense: 1000 If you have "Right Leg of the Forbidden One"

Set: Sun & Moon: Dragon Majesty Type: Supporter Rarity: Ultra Rare

Your opponent cannot Special Summon from the Extra Deck

Super Polymerization [OP14-EN001] Ultimate Rare 270 but its original ATK becomesSet: OTS Tournament Pack 14 Card type: Quick Play Spell Rarity: Ultimate Rare Discard 1 card; Fusion Summon 1 Fusion Monster from your Extra Deck, using monsters from either field as Fusion Material. Neither player can activate cards or effects in response to this card's activation.