[OCG meta] thunder dragon

• Harpie's Feather Duster is Forbidden
• 3 copies of Allure of Darkness, which is Limited (at most 1)
• Change of Heart is Forbidden
• 35 cards first released after HAT's card pool closed (2014-08-13): Accesscode Talker, Aloof Lupine, Apollousa, Bow of the Goddess, Ash Blossom & Joyous Spring, Batteryman Solar, Branded Beast, Branded Regained, Bystial Baldrake, Bystial Druiswurm, Bystial Magnamhut, Bystial Saronir, Chaos Angel, Chaos Space, Cosmic Cyclone, Cross-Sheep, Dark Ruler No More, Dharc the Dark Charmer, Gloomy, Dinowrestler Pankratops, Forbidden Droplet, Ghost Ogre & Snow Rabbit, Hieratic Seal of the Heavenly Spheres, I:P Masquerena, Knightmare Unicorn, Mekk-Knight Crusadia Avramax, Nibiru, the Primal Being, Red Reboot, Striker Dragon, The Bystial Lubellion, Thunder Dragon Colossus, Thunder Dragon Fusion, Thunder Dragon Titan, Thunder Dragondark, Thunder Dragonhawk, Thunder Dragonmatrix, Thunder Dragonroar

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 TCG deck.

Not checked: the TCG card pool (a card released only in the OCG).