Being able to deal with both creatures and Planeswalkers is kinda relevant, because it was for a long time nearly impossible to deal with Teferi, Hero of Dominaria or even a 5+ loyalty Teferi, Time Raveler
This is a critical component of any Commander deck composition
That is not a small effect, and just the tiniest bit mad, all things considered
It's an Enchantment that costs four generic and one Black to cast and lets you gain life whenever an opponent loses life
Since Ayula loads up on +1/+1 counters, you can power her up past what your opponents can handle, all while slapping on a few Mirran swords and hexproof auras to make sure your opponents cant interact with her at all
Do not use a bowl of soup to represent the copy and flip over your opponents cards