Green regenerators survive because they have the ability to heal their own wounds at a rate faster than the wounds can kill them
Factor in that third ability, which lets Baylen go tall as well as wide, and you have one seriously flexible Commander
It comes with a solid 2/3 statline along with deathtouch, making it an immediate danger to attack you
Power Artifact can be used as a cheap way to swap around equipment for cheap, or even turn Basalt Monolith into a two-card infinite combo
It was a really unfortunately-timed arrangement of events and circumstances that was out of anybodys immediate control when it happened, but Wizards did good to remedy the issue as soon as humanly possible
Once a Prison deck assembles enough of its combo pieces, it essentially prevents the opponent from either casting spells or attacking with their creatures