japanese dark phantasma booster box Pokemon TCG S10A Sword & Shield Pack It features more Pokemon form the Hisui region Pokémon TCG: Dark Phantasma Booster

5 Mawile Sap Energy From Your Opponent Besides Mega Evolution, Mawile is one of the few Pokemon in the franchise that doesnt have any Evolutions to speak of

How likely are you to have access to 1 Shadow Mist in your opening 5-card hand

Courageous Resolve Courageous Resolve is a nice way to avoid losing in a turn as well as to push damage using your commander

Furthermore, for this build, the deck has a huge obvious choke point: Branded Fusion

The rate is terrible because you need to pay at least 5 to start the destruction, and it only gets snow lands, of course, so thats a downside

You should buy the packs in order, if you dont you risk spoiling later scenarios for yourself