Having text like that on a card is both trinket text (like we see on Daretti, Scrap Savant) and begs the question what else the card can do like tribal support card that supports a creature type that isnt in the cube
This means trading tempo for better mana development, which kind of sucks
She has a static ability that means whenever an aura spell that you cast hits the battlefield, you can search your library for another aura that costs as much or less, and put it into play attached to Light-Paws
It's more of a Ninja-esque creature, looking to chip in damage, grow over time, and chunk opposing life totals when it leaves play
Liliana's Caress has an almost identical effect for two mana, but since that one is life loss, it won't count for certain other effects