card sleeves for credit cards | Set of 6 resistant (within reason) Puncture 14pcs Rfid Blocking Sleeves, TSV

In exchange, you have to exile another card from your hand, so youre starting the game with only five cards

These are worth quite a bit regardless of the card, so sleeve it up, price-check it, and consider grading it

But it is quite important to fans of Old School tournaments: fan-run events which only allow cards printed in the first few years of Magic

This process helps prevent corner wear and surface scratches before cards reach collectors worldwide

The corner thing you point out is just the way the factory has cut it and I dont even think they factor it into the grade, though I can entertain arguments for why they maybe should in a PSA 10