[7] If you see a darker shadow along the right side of the artwork and it looks like its popping off the background, your cards are from later runs of the base set
There seems like thered be too many instances of having Sylvia Brightspear on the field and a hand of knights, or Khorvath Brightflame on the field with a field full of dragons (that's rarely a bad thing, but I think Ive made my point)
They are cheap and efficient, and Sol Ring even nets you mana the turn you play it
The reason I highlight these details after looking at the above list instead of discussing them beforehand is to shine a spotlight on cards like Abhorrent OverlordAbhorrent Overlord and Myr BattlesphereMyr Battlesphere
The answer is that, really, this deck especially showed me that in Commander, a format where part of the appeal is every game being different, Elfball just kinda plays the same way every game