I cant really think of anything Id change, myself: sure, Avery and the fourth Path to the Peak are not strictly necessary, and running a fourth Nest Ball could be an option instead, if you value consistency more than anything, but thats basically it
First Edition Shadowless Holographic Blastoise - A Splash of Blue Blastoise, with its powerful water cannons, is a favorite among Pokmon fans
Cards like Etali, Primal Conqueror have an even bigger impact on the game for only one more mana
Power Nullifier: Rank-Up-Magic Numeron Force negates the effects of every other face-up card on the field, except itself and the Number C monster it Special Summoned
On top of that, Thalia doesnt even tax Explosives, as you can simply set the X value of the spell to one less than the number of colors you want to pay, then pay the additional color for the mana that Thalia taxes, and it enters the battlefield with the intended number of counters
While many Pokemon can Poison your opponent by hitting them with a specific Move or through an Ability that needs to be activated from the Active Spot, Grafaiai can do it from the Bench