Fiendsmith Yubel

• Harpie's Feather Duster is Forbidden
• Change of Heart is Forbidden
• Solemn Judgment is Forbidden
• 2 copies of Mind Control, which is Limited (at most 1)
• 37 cards first released after HAT's card pool closed (2014-08-13): Ash Blossom & Joyous Spring, Beatrice, Lady of the Eternal, Bystial Baldrake, Bystial Druiswurm, Bystial Magnamhut, Called by the Grave, Chaos Summoning Beast, Cosmic Cyclone, Crossout Designator, D/D/D Wave High King Caesar, Dark Beckoning Beast, Dinowrestler Pankratops, Escape of the Unchained, Fantastical Dragon Phantazmay, Fiendsmith Engraver, Fiendsmith's Desirae, Fiendsmith's Lacrima, Fiendsmith's Requiem, Fiendsmith's Sequence, Fiendsmith's Tract, Gruesome Grave Squirmer, Infinite Impermanence, Moon of the Closed Heaven, Muckraker From the Underworld, Nibiru, the Primal Being, Nightmare Pain, Nightmare Throne, Opening of the Spirit Gates, Phantom of Yubel, S:P Little Knight, Salamangreat Almiraj, Samsara D Lotus, Spirit of Yubel, Triple Tactics Talent, Unchained Soul Lord of Yama, Unchained Soul of Rage, Unchained Soul of Sharvara

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 Worlds deck.