Fiendsmith Archfiend

• Harpie's Feather Duster is Forbidden
• 44 cards first released after Tengu's card pool closed (2011-09-17): A Bao A Qu, the Lightless Shadow, Aerial Eater, Archfiend Emperor, Archfiend Heiress, Archfiend Strategy, Ash Blossom & Joyous Spring, Buio the Dawn's Light, Called by the Grave, Cherubini, Ebon Angel of the Burning Abyss, Cross-Sheep, D/D/D Wave High King Caesar, Fiendish Rhino Warrior, Fiendsmith Engraver, Fiendsmith's Agnumday, Fiendsmith's Desirae, Fiendsmith's Lacrima, Fiendsmith's Requiem, Fiendsmith's Sanct, Fiendsmith's Sequence, Fiendsmith's Tract, Forbidden Droplet, Highness Archfiend, Lacrima the Crimson Tears, Lightning Storm, Luce the Dusk's Dark, Matador Archfiend, Muckraker From the Underworld, Mulcharmy Fuwalos, Mulcharmy Purulia, Mutiny in the Sky, Necroquip Princess, Nibiru, the Primal Being, Pot of Prosperity, Pre-Preparation of Rites, Regenesis Archfiend, Regenesis Sage, Retaliating "C", Ritual of the Matador, Royal Archfiend, S:P Little Knight, The Duke of Demise, Three-Eyed Ghost, Throne of the Archfiends, Triple Tactics Talent

Checked against the Tengu format Forbidden & Limited list (September 2011) as of 1 September 2011 and its card pool (no card first released after 17 September 2011), with the sizes and copy limits of a TCG deck.

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