Ancient Gear Reactor Dragon and Ancient Gear Hydra: Good Damage, Decent Abilities, Easy Summon
Ancient Gear Gadjiltron Chimera/Dragon: mostly there so the ratio of spells and traps to monsters is greater on the monster side
Ancient Gear Golem/Ancient Gear Golem Ultimate Pound: is Fusion Material and Damage
Ancient Gear Soldier/Hunting Hound: Just Material
Ancient Gear Gadget/Machine: Duplication Good Material For Fusion, Link, and Tribute
Ancient Gear Wyvern/Drill: Good at Finding Ancient Gear Fusion
Ancient Gear Tank: Allows you to Give Ancient Gear Howitzer extra Attack Points
Geartown: Less Tributes Not Going to Judge
Ancient Gear Catapult: More Monsters for Tributes
Ancient Gear Fusion/Polymerization: Fusion Summon
Fusion Sage: Search For Polymerization
Ancient Gear Reborn: Bring Back Monsters
Cross-Dimension Duel: Get Your Monsters off the Field plus Double Attack
Limiter Removal: K.O.