Drytron

• Harpie's Feather Duster is Forbidden
• Change of Heart is Forbidden
• 38 cards first released after Tengu's card pool closed (2011-09-17): Amorphactor Pain, the Imagination Dracoverlord, Ash Blossom & Joyous Spring, Beatrice, Lady of the Eternal, Borrelsword Dragon, Cosmic Cyclone, Cyber Angel Benten, Cyber Angel Idaten, Cyber Angel Natasha, Cyber Emergency, Divine Arsenal AA-ZEUS - Sky Thunder, Diviner of the Herald, Drytron Alpha Thuban, Drytron Delta Altais, Drytron Fafnir, Drytron Gamma Eltanin, Drytron Meteonis Draconids, Drytron Mu Beta Fafnir, Drytron Nova, Drytron Zeta Aldhibah, Dyna Mondo, Elder Entity N'tss, Forbidden Droplet, Ghost Belle & Haunted Mansion, Ghost Meets Girl - A Masterful Mayakashi Shiranui Saga, Harpie's Feather Storm, Herald of the Abyss, Herald of the Arc Light, I:P Masquerena, Kikinagashi Fucho, Knightmare Phoenix, Meteonis Drytron, Millennium-Eyes Restrict, Relinquished Anima, S:P Little Knight, Super Starslayer TY-PHON - Sky Crisis, Transaction Rollback, Triple Tactics Talent, Triple Tactics Thrust

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).