If the deck runs many high mana cost cards, it would be wise to run more lands as there is higher danger to be mana screwed, not having enough mana to play the spells in your hand
"Anime Fantasy Is Big-Biz Reality"
Holographic Bulbasaur, Charmander, and Squirtle After iconic Pokemon like Pikachu and Charizard, it goes without saying that the Kanto region starters are likely some of the most recognizable monsters out there
You can't dodge board wide exiles with this, which I think is the main drawback compared to TePro, but that's a really hard use case to find protection from in other ways
The Pokmon TCG Pocket meta is looking pretty healthy right now, and all in all, Mythical Island seems to have helped rather than hindered
Finally, your commander must also not conflict with the companion condition