The artwork is attributed to 5ban Graphics, a group of artists who have worked on a number of TCG cards
Ace Spec cards have been around for quite some time
In addition to the original ten swords, I would also include Sword of Wealth and Power here, as it has all the same criteria as the existing swords: cost of three, equip cost of two, +2/+2, protection from two specific things, and an effect when combat damage is dealt
Obtaining new Digimon partners is made exciting by an egg-drop system, giving each wild Digimon a chance to drop a 'mercenary egg' upon defeat which can then be hatched into your own partner version of that Digimon with your own personal stat touches
The Circuit Break Special Edition is jam-packed with value
The last part might seem not so detrimental: Only being able to control one Mirrorjade