Electrical Luna is there to help you buy a few turns against aggressive opponents and set up your board
"Announcement Day"
4/5 Kefka, Ruler of Ruin Color Indicator: Blue, Black, and Red Legendary Creature Avatar Wizard Flying Whenever an opponent loses life during your turn, you draw that many cards
This means were turning Archangel of Thune into a 5/6, Nyx-Fleece Ram into a 2/7, and Courser of Kruphix into a 4/6
On offense, though, the fact that it trades up rather than down makes it a more threatening beater than Kitchen Finks, and the third point of toughness on the Undead form may be especially relevant against the plethora of tokens and Spirits that may soon occupy Standard
Eventually, this activity will taper off and things will return to normal