Unchained

• Harpie's Feather Duster is Forbidden
• 33 cards first released after Tengu's card pool closed (2011-09-17): Abominable Chamber of the Unchained, Abominable Unchained Soul, Abomination's Prison, Ash Blossom & Joyous Spring, D/D/D Deviser King Deus Machinex, D/D/D Vice King Requiem, D/D/D Wave High King Caesar, Dark Contract with the Gate, Dipsea Fiend, Escape of the Unchained, Fiendish Rhino Warrior, Fiendsmith Engraver, Fiendsmith's Desirae, Fiendsmith's Lacrima, Fiendsmith's Requiem, Fiendsmith's Sequence, Fiendsmith's Tract, Infinite Impermanence, Knightmare Phoenix, Moon of the Closed Heaven, Nibiru, the Primal Being, S:P Little Knight, Super Starslayer TY-PHON - Sky Crisis, Unchained Abomination, Unchained Soul Lord of Yama, Unchained Soul of Anguish, Unchained Soul of Rage, Unchained Soul of Sharvara, Unchained Soul of Shyama, Unchained Twins - Aruha, Unchained Twins - Rakea, Unchained Twins - Sarama, Underworld Goddess of the Closed World

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).