Atlantis Mermail

• 3 copies of Deep Sea Diva, which is Limited (at most 1)
• 3 copies of Atlantean Dragoons, which is Limited (at most 1)
• 40 cards first released after HAT's card pool closed (2014-08-13): Abyssrhine, the Atlantean Spirit, Abysstrite, the Atlantean Spirit, Adamancipator Risen - Dragite, Advent of Atlantis, Archidux, the Squid Sorcerer, Ash Blossom & Joyous Spring, Atlantis, City of the Sea Dragon, Azure Ocean Dragon Lord - Neo-Daedalus Rage, Brionac, the Magical Ice Dragon, Call of Atlantis, Daedalus Maelstrom, Deep Sea Aria, Deep Sea Minstrel, Deep Sea Prima Donna, Deep Sea Repetiteur, Dominus Impulse, First Penguin, Ghost Ogre & Snow Rabbit, Gluttonous Reptolphin Greethys, Hey, Space Trunade!, Icejade Gymir Aegirine, Levia-Dragon of Atlantis - Daedalus, Levia-Dragoon - Daedalus, LeVirtue Dragon, Marincess Coral Anemone, Mermail Shadow Squad, Monster Arms of Atlantis, Mulcharmy Fuwalos, Mulcharmy Purulia, Neptabyss, the Atlantean Prince, Nibiru, the Primal Being, Ocean Dragon Lord - Kairyu-Shin, Poseidra Abyss, the Atlantean Dragon Lord, Poseidra, the Storming Atlantean, Pot of Sloth, Siren Vortex of Atlantis, The Great Gallant Bandit, Virtue Stream, Warchief of Atlantis, White Aura Monoceros

Checked against the HAT format Forbidden & Limited list (April 2014) as of 1 April 2014 and its card pool (no card first released after 13 August 2014), with the sizes and copy limits of a TCG deck.

Not checked: the TCG card pool (a card released only in the OCG).