If you dont want to go through the trouble of casting Naru Meha as part of your setup, you can also set up a combo with Ghostly Flicker, Archaeomancer, and Peregrine Drake to make infinite mana, then set up to Braingeyser your opponents or draw your deck and combo with Thassas Oracle as you see fit
How would you build these commanders
This may also be the case for Mew ex, especially since 151 released in Japan and the U.S
Generally, they're not as sought after as Base Set, but the rarest first edition cards from these sets will still be extremely expensive, especially in good condition
A prebuilt, lower power Constructed deck is going to be a more approachable starting point for most than jumping in at the deep end with Commander
Its role in the games often places it as a reliable Psychic-type option, contributing to its continued presence across various Pokmon generations