At this point, it's hard to say whether the tokens from Unstable will have any value at all, but based on the past, it's worth keeping the usually forgotten card type in mind as Unstable spoilers roll out over the next few weeks
The harmonize cost isnt particularly hard for us to get to, but well typically want to be attacking with those creatures, not using them to deal 2 damage
Infect counters can easily be spread and multiplied, allowing for their power to rise to levels they had never seen before
There are also some creatures that interact with the graveyard, such as Scavenging Ooze, Anafenza the Foremost, and Remorseful Cleric
PARADIGM SHIFT Every time new Magic cards get printed, the games paradigm shifts so what better card to start with than this one