It isnt a strict upgrade, as Dream Cache can put the cards on the bottom so as not to lock yourself into the draws, but as with my last upgrades, we really want to be putting cards back on top, allowing you to manipulate and draw enchantments back on top
Some of these experiments have worked out nicely, Universes Beyond being the biggest recent example
This is a one-card shut down machine that can often singlehandedly stop someone from swinging your way too often
Let's walk through a few examples to see exactly how this plays out
Importantly, exiling Moorland Rescuer is an instruction on resolution, meaning if you have a way to get it back into your hand, library, or the battlefield before the triggered ability resolves, you dont have to exile it