While Dreamshaper Shaman can't fit in a Jalira deck, there's a Jund equivalent where it's the perfect fit: Vaevictus Asmadi, the Dire
Hatterene VMAX from Crown Zenith is a bit more dramatic but fits in perfectly
You'll drop her and then 0 for a lost life and a card which is very good
Its no Undead Alchemist, but at least Zellix doesnt make your Horrors not deal damage, either
Runner-Up : New take on top-down set design Innistrad wasn't the first top-down design (that would be Arabian Nights ) or the first top-down block (that would be Champions of Kamigawa block), but it was the first one that built the set structure and mechanics around the mood and emotion of the flavor it was trying to capture
Teferi, Master of Time Teferi, Master of Time was once the most detrimental M21 card in Standard