CiberDragon_K9

• Harpie's Feather Duster is Forbidden
• 44 cards first released after Tengu's card pool closed (2011-09-17): "A Case for K9", Ash Blossom & Joyous Spring, Chaos Angel, Chimeratech Megafleet Dragon, Chimeratech Rampage Dragon, Chronomaly Vimana, Clockwork Knight, Clockwork Night, Cyber Dragon Core, Cyber Dragon Herz, Cyber Dragon Infinity, Cyber Dragon Nachster, Cyber Dragon Nova, Cyber Dragon Sieger, Cyber Dragon, the Luminous Mech Dragon, Cyber Emergency, Cyber End Dragon, the Final Strike Dragon, Cyber Eternity Dragon, Cyber Jormungardr, Cyberdark Chimera, Cyberdark Claw, Cyberdark Realm, Cyberdark Wurm, Cyberload Fusion, Future Fusion Nova, Heosvarog the Mechanical Dawn, Infinitrack Crab Crane, Infinitrack Goliath, Infinitrack Mountain Smasher, Infinitrack River Stormer, K9-17 "Ripper", K9-17 Izuna, K9-66a Jokul, K9-66b Lantern, K9-66X "Jacks", K9-ØØ Lupis, K9-X Forced Release, Lightning Storm, Outrigger Extension, Pot of Sloth, Qliphort Genius, Therion "King" Regulus, Triple Tactics Talent, Vallon, the Super Psy Skyblaster

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).