I write about this Rotom Subset at a time when the new set, Sword & Shield Brilliant Stars , is in the middle of its prerelease stage
In addition to this, Astrologians Planisphere is also an artifact, which helps Delirium costs in Legacy Delver and adds to the number of artifacts in play for Modern Affinity
In turn, many of the more expensive cards are often older, as it's increasingly difficult to find high grade vintage cards
Soltari Visionary doesnt have any synergy with Isshin
I run this in my self-bounce Bant iconic Equinaut brew where you cast a flashing self-bouncer like Whitemane Lion or Fleetfoot Panther, trigger the cast trigger of Equilibrium and spend a mana, trigger Aura Shards or other ETB to Disenchant, a self-bounce like Azorius Aethermage to draw a card, and then a tapper like this to tap-lock something your foe controls
But that is how the idea came about and those were the first and probably only decks made for the mini cards