While this does make chase variants more compelling as an investment, nothing in MTG is guaranteed
However, the biggest lingering question over Collector Boosters comes down to whether there are enough cards per set to justify a whole new product, but if a new official format were to take off and have its own little subsection of exclusive cards, with all base Lorcana cards still being legal in the format, then that's a big step towards said justification
Kefkas ability to wear down your opponents while helping you keep a steady supply of new cards feels extremely relevant to the current midrange meta in cEDH, although Im not sure that he will outperform Tymna the Weaver // Kraum, Ludevics Opus
How will you cleverly combine your abilities
Daisy Donald's Date is a fairly common pull that costs only one ink to play, forces all opponents to draw prematurely, and can quest for two lore
Since it is easy to recover, it would be good as a discard outlet