When Enduring Innocence dies, if it was a creature, return it to the battlefield under its owners control
But they didnt have high hopes
This costs one fewer for each artifact you control, so that's giving her affinity for artifacts, and we know how abusive that is already since Command Tax won't hurt her much
It is worth noting that Walking Ballista can create infinite damage and infinite life gain when paired with Heliod, the Sun-Crowned, another worthwhile inclusion in the Coven Counters deck if you have other coincidental life gain effects
This is because Commander has changed, while the spirit of the format really hasnt
Obviously, this mechanic is bonkers powerful, and was in fact so demoralizing to play against that the odds of it ever coming back in a Standard-legal set are slim to none