The set's cover cards are illustrated by Daisuke Izuka, well known for his work on the Garmore series of units, as well as Chaos Breaker Dragon and the Revenger, Raging Form Dragon. The choice of Vortex Dragon as the namesake of a new Kagerou Legion is unsurprising, given the card's history; according to the draft papers included in volume 1 of the Cardfight!! Vanguard manga, Vortex Dragon was originally going to be Kai's main grade 3.
BT17's accompanying Gold Paladin support is to feature a second grade 3 able to Legion with Aglovale, who was previously revealed as being part of a Legion pair with VG-TD16: Liberator of the Bluish Flames' boss card, Percival. Aglovale draws his origins from a minor Knight of the Round Table, Sir Agloval de Galis, who in Arthurian legend is brother to Percival and Lamorak, and the eldest son of Pellinore. BT17 will be released in Japan on August 8th, 2014.
In other news, the release of volume 2 of the Cardfight!! Vanguard manga is drawing nearer, set to go out on June 24th, and is up for preorder on Amazon. This volume will include the promo card PR-0059EN Dragonic Overlord, believed to be the alternate artwork variant by Studio TMS which was distributed in Japan with the video game Ride to Victory! The manga launched in English just over a month ago under the auspices of publisher Vertical Inc. Vertical's translation has been well-received by fans, and volume 3 is expected follow in August.