Knowing the correct dimensions helps you buy the right sleeves, binders, deck boxes, and display cases while protecting your cards from bending or damage
Dont forget the hybrid approach, start with a precon, then slowly upgrade it into your own unique brew
Venture Into the Dungeon/ Take the Initiative The problem with this mechanic is mainly that it's not that common
Two of the strongest Pokmon cards in the new set are Charizard ex and Giratina ex
Hexproofing your other creatures means its something youre going to have to watch out for in a number of ways, although it doesnt do a huge amount against board wipes, and Standard has a lot of those right now
If a seller is offering gold cards at prices that seem too good to be true, they probably are