Soul Warden and friends is ubiquitous at the kitchen table, and there is a deck archetype named after them - "Soul Sisters." Gaining a life each time a dork arrives at the battlefield is incredibly good, and it's even better in 20 life formats like Five Color than it is in the 40 life Commander, but don't sleep on it there either
As single prices go up, the EV also rises
Now, all of a sudden, all the Clues you pile up aren't just future card advantage, but they're now also extra Artifacts that can be tapped, sacrificed, or otherwise turned into mana and value, which makes the whole engine feel a lot more explosive than it first appears
We could definitely see new ramp decks emerge in this cards wake, since it totally changes the mana-per-turn math that theyre working with