When Yuffie enters, gain control of target noncreature artifact for as long as you control Yuffie
It may be that they switched the quality of the materials used to manufacture the pins between the two years (though thats just speculation)
While Lightning Energy makes a great case for its inclusion given the perfectly matching color palette, this isn't even the most valuable energy card in this set, as there's fierce competition among Guardians Rising's items
Yawgmoth, Thran Physician [Sacrifice Engine, Removal & Card Draw] Yawgmoth, Thran Physician turns creatures into cards, removal, and combo fuel
This makes perfect sense if you think of it like real-life horses, which can run just fine on their own but only win races with a jockey guiding them
Cards like Chromatic Lantern are good for sunburst, as are dual lands that don't have basic land types