ddd

• Harpie's Feather Duster is Forbidden
• 42 cards first released after Tengu's card pool closed (2011-09-17): Ash Blossom & Joyous Spring, Called by the Grave, Crossout Designator, D/D Count Surveyor, D/D Extra Surveyor, D/D Gryphon, D/D Lance Soldier, D/D Necro Slime, D/D Orthros, D/D Savant Copernicus, D/D Savant Kepler, D/D Scale Surveyor, D/D/D Abyss King Gilgamesh, D/D/D Alfred the Divine Sage King, D/D/D Cursed King Siegfried, D/D/D Deviser King Deus Machinex, D/D/D Duo-Dawn King Kali Yuga, D/D/D First King Clovis, D/D/D Flame King Genghis, D/D/D Headhunt, D/D/D Marksman King Tell, D/D/D Oblivion King Abyss Ragnarok, D/D/D Sky King Zeus Ragnarok, D/D/D Wave High King Caesar, D/D/D Wave King Caesar, D/D/D Wise King Solomon, D/D/D Zero Doom Queen Machinex, D/D/D/D Dimensional King Arc Crisis, Dark Contract with Errors, Dark Contract with the Eternal Darkness, Dark Contract with the Gate, Dark Contract with the Zero King, Dark Spirit's Mastery, Denko Sekka, Forbidden Droplet, Ghost Belle & Haunted Mansion, Infinite Impermanence, Lightning Storm, Mulcharmy Fuwalos, Mulcharmy Purulia, Nibiru, the Primal Being, 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).