Double d disaster.

• 27 cards first released after HAT's card pool closed (2014-08-13): Contract Laundering, D/D Berfomet, D/D Cerberus, D/D Ghost, D/D Lamia, D/D Lilith, D/D Necro Slime, D/D Nighthowl, D/D Savant Galilei, D/D Swirl Slime, D/D Vice Typhon, D/D/D Chaos King Apocalypse, D/D/D Doom King Armageddon, D/D/D Flame High King Genghis, D/D/D Flame King Genghis, D/D/D Gust High King Alexander, D/D/D Gust King Alexander, D/D/D Super Doom King Purple Armageddon, D/D/D Wave High King Caesar, D/D/D Wave King Caesar, Dark Contract with Errors, Dark Contract with the Entities, Dark Contract with the Eternal Darkness, Dark Contract with the Gate, Dark Contract with the Swamp King, Dark Contract with the Witch, Forbidden Dark Contract with the Swamp King

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).