Re-casting the Ring from your hand lets you keep the protection from everything active, shielding you from targeted combo kills for another full round
With all the prepared Pokemon cards laid out face up, prepare the number of energy cards required for the "attack that requires the most energy" among the attacks each Pokemon has, and place them stacked under the Pokemon card so that the number of energy cards is visible
You can get bitten with colourless lands and things like Cradle when playing this but otherwise it is pretty much a direct replacement for a land
Not surprisingly, it also works pretty well with Teferi, Master of Time, allowing every +1 to be a draw two, discard one
About the only deck that wont benefit much from Potions is solo Grass, as they have access to Erika
Sun-Spider, Nimble Webber This spider commander is probably a bit weak, but if you really need a specific Aura (or equipment), Sun-Spider, Nimble Webber is a handy tutor you can play whenever you need the tutor effect, and with some bouncing or blinking you can get some serious digging