graded card bumper PSA Slab card slabs made after 2017 from Professional Sports Authenticator (PSA) Slab Bumpers - PSA Card

In addition to the new mechanic, you will also see yellow borders becoming gray similar to the Japanese TCG cards

Deck 7.9 9 Performapal Odd-Eyes Minitaurus Pendulum Monster Effect Monster - 4 Beast-Warrior 1200 1600 Pendulum EffectIf your "Performapal" or "Odd-Eyes" monster attacks a Defense Position monster, inflict piercing battle damage to your opponent.Card TextDuring damage calculation, if your Pendulum Monster attacks an opponent's monster: You can make that opponent's monster lose 100 ATK for each "Performapal" and "Odd-Eyes" card you control, during damage calculation only

Is CGC grading worth the investment for newer cards

This might very well be one of the best black cards in the entire set