Atlantean Ocean

• Harpie's Feather Duster is Forbidden
• 50 cards first released after Tengu's card pool closed (2011-09-17): Abyss-scale of Cetus, Abyss-scale of the Kraken, Abyss-scale of the Mizuchi, Abyss-steam, Abyss-sting Triaina, Abyssrhine, the Atlantean Spirit, Abysstrite, the Atlantean Spirit, Aqua Jet Surface, Atlantean Dragoons, Atlantean Heavy Infantry, Atlantean Marksman, Deep Sea Artisan, Deep Sea Minstrel, Deep Sea Prima Donna, Deep Sea Repetiteur, Dominus Impulse, Enigmaster Packbit, Eria the Water Channeler, Friller Rabca, Fury of Kairyu-Shin, Gameciel, the Sea Turtle Kaiju, Gluttonous Reptolphin Greethys, Guitar Gurnards Duonigis, Hydor, the Base of All Things, Ice Barrier, Icejade Gymir Aegirine, LeVirtue Dragon, Marincess Coral Anemone, Mermail Abyssalacia, Mermail Abyssgaios, Mermail Abysspike, Mermail Abyssteus, Mermail Abyssturge, Mermail King - Neptabyss, Mermail Shadow Squad, Mistar Boy, Moulinglacia the Elemental Lord, Neptabyss, the Atlantean Prince, Number 4: Stealth Kragen, Ocean of Regeneration, Poseidra Abyss, the Atlantean Dragon Lord, Poseidra, the Storming Atlantean, Sea Stealth II, Swordsoul Supreme Sovereign - Chengying, The Ice-Bound God, Triple Tactics Thrust, Virtue Stream, White Aura Whale, White Howling, Worldsea Dragon Zealantis

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).