What makes NotMPC useful when Buy Mtg proxy?

MTG discussions are moving fast right now, especially after the August 10 Standard bans sparked fresh debate about deck costs, format balance, and what players should test next. With Gen Con also putting Commander and new card releases in the spotlight, proxy testing is back in the conversation. If you are trying to Buy Mtg proxy cards for casual testing, brewing, or checking a new list before spending heavily, NotMPC is a timely place to explore. The interesting part is seeing which cards players are testing now, while the metagame is still settling and everyone is watching what breaks through.