The new set sends players into the Underland, an Alice in Wonderland-like world. The Champions must travel deeper down the rabbit hole to decipher the riddles of this realm where magic and madness converge. This set offers support for all seven classes but will mainly focus on the Guardian and Ranger classes. There 222 unique cards in this set with 234 foil variations; 12 cards come per pack, and 24 packs come in a booster box. Booster displays will retail for $107.99.

Along with the new set, there will be two new starter decks. One starter will feature Ciel, Mirage's Grave and the other will feature Diana, Moonpiercer. Decks will retail for $14.99.

Weebs of the Shore also released Abyssal Heaven, a new booster set for Grand Archive TCG, into retail (see "'Abyssal Heaven'").