Not only does this really slow down your opponent but it costs them a draw which very punishing early against tempo based decks
However you store your collection, you still need to make sure your cards are organised so that you can find what youre looking for though this can take quite a bit of time to set up and maintain but it means that you can find last minute sideboard cards on the morning of a tournament or find cards for your new cool commander deck easily
One of the best parts of Masters sets is that their limited formats are typically amazing (the original Modern Masters is one of the best draft formats of all time, and most of the other Masters sets have been somewhere between above average to great in terms of their draft formats)
You need to challenge, but if your opponent is bouncing or exerting your characters, you're not going to get very far
This is how archetypes change and evolve over time, creating the dynamic metagame we all love
Best value right now : MEGA Dream ex at ~$62 is a High Class Pack at a significant price correction boosted rare rates at a mid-range price