This ability only targets artifacts in your own graveyard, but putting any number of powerful cards isnt too terribly difficult and lets you turn your graveyard into a toolbox
One of the more breakout features of this booster is the fact that it has Radiant Pokemon cards, which can make them significantly cooler and more tradable to collect
Blue, more than any color, has an abundance of control and combo pieces
Aside from cosplaying as a Ritual Spell, they come with secondary effects that we can normally ignore
(In the dub, Ai admits that's quite smart, and Playmaker comments that the only thing that they can expect from The Shepherd is the unexpected.) Up above the area, Ghost Gal waits with Blue Angel, their Avatars tinted blue, telling her that beyond those security cameras is the Restricted Area