I have had this suspicion backed up for me from a source that wishes to remain undisclosed, so it isnt just idle conjecture on my part
Creatures (25) 2 Dauntless Bodyguard 3 Emmara, Soul of the Accord 1 Boros Challenger 2 Trostani Discordant 1 Tajic, Legion's Edge 4 Pelt Collector 4 Gruul Spellbreaker 4 Zhur-Taa Goblin 4 Hero of Precinct One Lands (22) Spells (13) Naya Aggro is easy
The commander, Inspirit, Flagship Vessel, uses counters to power up from a useless hull to a powerful 5/5 flier that makes the rest of your artifacts hexproof and indestructible
Murkfiend Liege is the best for Commander, seeing as the untap ability is king in that format, but nothing stops you from playing, say, Glen Elendra Liege in a UB fairies deck
It's no Deflecting Swat, but it's probably good that we don't get more effects like this at that power level