You want a focused tribal deck You prefer linear decks that play out similarly each game You find too much variety overwhelming You dislike inconsistency Choosing Your Commander My original primer had Morophon, the Boundless as the deck's commander, and it's still a great choice: it's a changeling so it's the most thematic choice for a changeling deck, it offers powerful ramp and is a key piece to enable various combos, and its 5C identity allows you have to maximum flexibility on how to build the deck
I can speak first hand as I use these binders for many of my cards
Nvidia really messed up with the 400-series you don't replace your entire product stack in half a year if you're doing a good job
Moreover, it is strong enough because it can be revived without materials
Redlawsk: Im gonna go Pokmon
So Charizard EX decks are packed with cards that let you draw cards (like Pidgeot ex), search for cards (like Supporter Arven or Ultra Ball), or speed up evolution (Rare Candy)