If they act the same way (I hope they dont, but humans are humans) then well see people buying in a frenzy, and trying to sell cards that no one is heavily motivated to buy
It often costs nothing to get rid of their graveyard and can make them stumble in critical moments of the game
Chatterfang has the stigma that comes with being a well-known combo engine, so this could be useful for players who like the idea of the token doubler but dont want the heat that comes from the Squirrel General
Reen deals her damage in flesh, not code, but she knows the signs of Palatinate incursion: clusters of viral shards puncturing securiware and firewalls, embedding themselves in the core systems with reduplicative camouflage
Commander players running Isshin, Two Heavens as One or Kaalia of the Vast will definitely want to pick up a copy for their decks since it is just that good
One of the best ways to build around this commander is to have cheap spells that proliferate, so your fractal tokens keep getting +1/+1 counters