Its an instant that brings the creature back at end step, too, meaning it can effectively be used to dodge removal and board wipes
Kros deals out shield counters (defense contractor), but there are other options
Additionally, I think this card can consolidate sideboard slots for the Tron matchup, as this card will go a long way to disrupting Tron by turning off their Expedition Maps, Chromatic Stars / Spheres, Oblivion Stones, and Walking Ballistas, which in turn takes a ton of pressure off Meddling Mage to name cards like Ugin, the Spirit Dragon and Wurmcoil Engine
Combine this with the cost of casting Vivis Persistence in the first place, and youve got an inefficient engine
Also, note on the second ability, it states any kind of token so it isnt limited to creating creature tokens only
Combining the best of Draft and Set Boosters: Introducing the Play Booster