As with all sets, wed highly recommend that you start with a Battle Deck (previously known as Theme Decks) in order to get yourself the basis of a 60 card deck that you can also use to learn (or re-learn!) the game
A common criticism of stax is that the archetype is uninteractive. While some prominent stax pieces lead to non-games, especially when accelerated, I find them to be highly interactive
It can tap down a creature and put three stun counters on it, and we get to draw two cards if we use it on one of our own creatures
Its Fire typing grants it a niche in battles, where it can exploit the weaknesses of Steel-type Pokmon, though it lacks the broader utility or competitive viability seen in more versatile species
Gear that grants haste, trample, flying, lifelink, and vigilance covers every angle, letting you get the absolute most out of your commander
If a player casts a Blighted Agent on turn two, and then casts three Giant Growth type spells on it on turn three, Blighted Agent can immediately end a game if not answered