Ancient Mechanism

Ancient Mechanism, known as Engineering of the Antique Gear (古代の機械技術) in the Japanese version, is the third Duel Puzzle in Yu-Gi-Oh! Ultimate Masters: World Championship 2006.

Solution

1. Activate the effect of "Ancient Gear Castle".
2. Normal Summon "Ancient Gear Soldier" in Attack Position.
3. Activate the effect of "Ultimate Offering", tributing "Blue-Eyes Ultimate Dragon" to summon "Ancient Gear Beast" in Attack Position.
4. Activate the effect of "Ultimate Offering" again to summon "Ancient Gear Golem". With the effect of "Ancient Gear Castle", you tribute no monster.
5. Attack"Blue-Eyes White Dragon" with "Ancient Gear Golem".
6. Attack directly with "Ancient Gear Beast" and "Ancient Gear Soldier".