Instead of caring about you dealing combat damage to an opponent, it allowed you to prevent damage on your own unblocked attacker to trigger an ability
As a creature, it plays into the "Creature matters" aspect of what it wants to do
Each of the decks comes with 60 cards, based either on Vox Machina from Critical Roles first campaign, or the Mighty Nein from its second
Lili is iconic for a number of reasons, and its one of the strongest cards to come out of Innistrad, so it would have been noteworthy if it didnt get reprinted here
I originally built the deck for Two-Headed Giant commander games, where the extort mechanic gets a boost (since you have two opponents, each extort trigger drains a total of two life and gives you a total of two life)
Well today, I figured, hey: why not both