The opponent couldnt attack anymore with little ground idiots once you cast Serra Angel, all the while you smacked your opponent around in the air with that nice 4/4 body
As a single creature that provides a threat, ramp, and card advantage in one, its terrifying to face down in the command zone
Edge whitening, poor centering, and surface scratches on the back will lower a card's grade and, consequently, its market value.
If you want to learn more about identifying originals, check this guide on how to spot fake Pokmon cards
Beyond those are little pick-ups like Lord of Atlantis for the final good Merfolk lord
The format is similar to how the Modern format is played, with two players with decks of 60+ cards playing for roughly 20 minutes