Who Needs 3 Thunder Dragons?

• Harpie's Feather Duster is Forbidden
• Graceful Charity is Forbidden
• Painful Choice is Forbidden
• Last Will is Forbidden
• Raigeki is Forbidden
• Pot of Greed is Forbidden
• at least 55 cards first released after HAT's card pool closed (2014-08-13): Alba-Lenatus the Abyss Dragon, Aloof Lupine, Angel Statue - Azurune, Batteryman Solar, Beatrice, Lady of the Eternal, Blitzclique - Breakaway, Blitzclique - Steppleader, Blitzclique Alternator, Blitzclique Return Stroke, Chaos Grepher, Crackle Blitzclique, D.D. Post, Dark Factory of More Production, Dharc the Dark Charmer, Gloomy, Dogmatika Ecclesia, the Virtuous, Dogmatika Lawbringer, Draco-Utopian Aura, Ecclesia and the Dark Dragon, Emi Blitzclique, Fiendsmith Engraver, Fiendsmith's Lacrima, Fiendsmith's Requiem, Fiendsmith's Sequence, Fiendsmith's Tract, Ghost Ogre & Snow Rabbit, Grain Blitzclique, Hideout in the Sky, Coulomb, Infinite Impermanence, Keeper of Dragon Magic, Lacrima the Crimson Tears, Lost Wind, Moon of the Closed Heaven, Nemeses Corridor, Pair Bear Scare!!, Paralyzing Mushroom, Silhouhatte Rabbit, Slash Draw, Solemn Accusation, Solemn Strike, Some Summer Summoner, Surge Blitzclique, The Fallen & The Virtuous, Thunder Dragon Colossus, Thunder Dragon Fusion, Thunder Dragon Titan, Thunder Dragondark, Thunder Dragonduo, Thunder Dragonhawk, Thunder Dragonmatrix, Thunder Dragonroar, Titanocider, Triple Tactics Thrust, Wattkyuki, Wattuna, Whisker Blitzclique

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).