Ancient Gear [DR04-EN128] Common 143a this card gains the following

this card gains the following effect

Destroy 1 monster with the highest ATK among your opponent's Attack Position monsters

Set: Dark Beginning 1 Card type: Equip Spell Rarity: Ultra Rare Attack: 0 Defense: 0 Take control of a monster on your opponent's side of the field that is equipped with this card

or Special Summoned by sending the above cards you control to the Graveyard (in which case you do not use "Polymerization")

Ancient Gear [DR04-EN128] Common 143a this card gains the followingSet: Dark Revelation Volume 4 Card type: Effect Monster Rarity: Common Attack: 100 Defense: 800 While you control a face up "Ancient Gear", you can Special Summon this card from your hand in Attack Position.