Battle! Ancient Gear
Each of the following effects can be used once per turn and twice per Duel. ● During this turn, you can Normal Summon/Set "Ancient Gear Golem" or "Ancient Gear Golem - Ultimate Pound" without Tributing. ● If you control "Ancient Gear Golem," Set 1 "Polymerization" to your field from outside of your Deck. At the End Phase of this turn, return that card to the bottom of the Deck. This Skill can only be used if you begin the Duel with a Deck (excluding Extra Deck) that contains at least 12 Level 8 or lower "Ancient Gear" monsters and no monsters other than Level 8 or lower "Ancient Gear" monsters.