As a simple example, until someone finds a checklist or similar for Ice Age development, I cannot be fully sure that a Sphere of Annihilation version wasn't playtested for Ice Age in 1992, and my collection of pre-Alpha Orbs may well be incomplete without me knowing it
This is however, more consistency for Simochi (because Nurse and Simochi might be 6 slots for that, but they are recruited by entirely different engines, making things not as efficient), and would for sure help you incorporate a Magic Planter
Lightning Storm is Semi-Limited and allows the same effect, but requires the player to control no face-up cards
You can also use the it to target Redcap itself, making for a tight combo package with another win condition and Gev: And, because it's an Assassin, it does some good work in Altar Ibn-La'AhadAltar Ibn-La'Ahad, which is cool enough to point out as I don't get to write about Assassin's Creed cards enough