Cumulative upkeep says, "Hey, pay 1." (This assumes your abilities have the ability to speakmine do)
I was never big on lore, but I had an early kitchen table deck that ran a bunch of artifacts, a playset of Tinker and a few Myr Incubators
The call here was that while there are a lot of places where the card needed to be modified into a vertical aspect, being horizontal was an important part of the identity of battles, and it helps communicate just how unique this new permanent is
You can also -3 to Wrath of God anything with a power of 4 or more, which is none of my smaller stuff, although we might have tokens later that could be that big
Grading and Resale Value Professional grading plays a crucial role in Pokmon card values, and this is where Japanese cards have a notable advantage