While some of it appears to be a bit of a breather, given the massive rise in card prices, there is likely a sort of hobby-wide reset in expectations happening right now
The attack trigger could kill someone before blockers are ever declared (which means thats the right direction to send the Commissar)
You can even include Auras into the mix to give Michonne, Ruthless Survivor even better stats to keep it even more protected
While reprints are expected as soon as July, and should continue for a while given the Final Fantasy expansion is part of MTGs standard set of cards (and thus legal in all tournament play), the difficulty of not only finding cards at the moment, but actually being able to afford them, has been a bit of a buzzkill.
Notably, opponents can't try to remove the conniving creature after you discard cards but before it receives +1/+1 counters, if any
It has quickly established itself as a strong option for ladder play as it boasts a high win rate and a 14% meta share