Ancient gear domain.

• Heavy Storm is Forbidden
• Pot of Greed is Forbidden
• 37 cards first released after HAT's card pool closed (2014-08-13): Ancient Gear Ballista, Ancient Gear Catapult, Ancient Gear Commander, Ancient Gear Dark Golem, Ancient Gear Dragon, Ancient Gear Fortress, Ancient Gear Frame, Ancient Gear Fusion, Ancient Gear Gadget, Ancient Gear Golem - Ultimate Pound, Ancient Gear Hunting Hound, Ancient Gear Hydra, Ancient Gear Megaton Golem, Ancient Gear Reactor Dragon, Ancient Gear Reborn, Ancient Gear Statue, Ancient Gear Tanker, BM-4 Blast Spider, Boot-Up Admiral - Destroyer Dynamo, Boot-Up Corporal - Command Dynamo, Boot-Up Order - Gear Charge, Boot-Up Order - Gear Force, Chaos Ancient Gear Giant, Clockwork Knight, Clockwork Night, Cross-Dimensional Duel, Double Fusion, G Golem Stubborn Menhir, Gold Gadget, Infinitrack River Stormer, Metalhold the Moving Blockade, Platinum Gadget, Powerhold the Moving Battery, Silver Gadget, Ultimeat Offering, Ultra Polymerization, Union Carrier

Checked against the HAT format Forbidden & Limited list (April 2014) as of 1 April 2014 and its card pool (no card first released after 13 August 2014), with the sizes and copy limits of a Domain deck.

Not checked: the Deck Master's Domain (which monsters it allows).